document.write( "Question 1177628: If an individual determines that they would like to retire in 20 years with $500,000 as the future value that is in their IRA, which earns 6% compounded monthly, how much money (rounded to the nearest cent) should they be putting away into the account each month?\r
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document.write( "I need to see the calculations & answers please!\r
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document.write( "Homework question from Hans Beauvoir \n" );
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Algebra.Com's Answer #850432 by CPhill(1959)![]() ![]() You can put this solution on YOUR website! To determine the monthly deposit needed to reach $500,000 in 20 years, we can utilize the future value of an ordinary annuity formula.\r \n" ); document.write( "\n" ); document.write( "The future value of an ordinary annuity is given by:\r \n" ); document.write( "\n" ); document.write( "``` \n" ); document.write( "FV = PMT * (((1 + r)^n - 1) / r) \n" ); document.write( "```\r \n" ); document.write( "\n" ); document.write( "Where:\r \n" ); document.write( "\n" ); document.write( "* FV is the future value ($500,000) \n" ); document.write( "* PMT is the monthly payment (what we want to find) \n" ); document.write( "* r is the periodic interest rate (6% per year compounded monthly, so r = 0.06/12 = 0.005) \n" ); document.write( "* n is the number of periods (20 years with monthly compounding, so n = 20 * 12 = 240)\r \n" ); document.write( "\n" ); document.write( "Plugging in the values:\r \n" ); document.write( "\n" ); document.write( "``` \n" ); document.write( "$500,000 = PMT * (((1 + 0.005)^240 - 1) / 0.005) \n" ); document.write( "```\r \n" ); document.write( "\n" ); document.write( "Solving for PMT:\r \n" ); document.write( "\n" ); document.write( "``` \n" ); document.write( "PMT = $500,000 / (((1 + 0.005)^240 - 1) / 0.005) \n" ); document.write( "```\r \n" ); document.write( "\n" ); document.write( "``` \n" ); document.write( "PMT ≈ $1,285.17 \n" ); document.write( "```\r \n" ); document.write( "\n" ); document.write( "Therefore, the individual should deposit approximately **$1,285.17** each month to reach their retirement goal.\r \n" ); document.write( "\n" ); document.write( "Let me know if you would like to explore other scenarios, such as different interest rates or time horizons. \n" ); document.write( " |