Question 324919
Let x be the amount the youngest receives.
Then the others will get:
x+16000
x+16000
2x

You are told the sum of all is 1,000,000
So
{{{x + (x+16000) + (x+16000) + 2x = 1000000}}}
{{{4x + 32000 = 1000000}}}
{{{4x = 968000}}}
{{{x = 242000}}}
Use that to plug back in and get the sums the other three will get