document.write( "Question 431340: If I need $4000 in four years and start saving $1000 today what rate of return would I need? 4000 = 1000(1 plus X)4 I tried 4000 plus 1 4001/1001 and got 4 I know the answer should be around 41 but not sure how to slove this equation. \n" ); document.write( "
Algebra.Com's Answer #299384 by mananth(16949)\"\" \"About 
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i= (fv/pv)^(1/n) -1
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\n" ); document.write( "fv= 4000
\n" ); document.write( "pv= 1000
\n" ); document.write( "n= 4
\n" ); document.write( "i=(4000/1000)^1/n-1
\n" ); document.write( "i= 4^1/4-1
\n" ); document.write( "i=0.41
\n" ); document.write( "i=41 %
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