Finding the Fourth Proportional to 1,021,714.12, 1,409,964.96 and 592,243.12
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Solution
The fourth proportional to 1,021,714.12, 1,409,964.96 and 592,243.12 is: 817,295.20
Step by Step Solution
- Step 1: Write the proportion equation
1,021,714.12 : 1,409,964.96 = 592,243.12 : x - Step 2: Convert to fraction form
1,021,714.12/1,409,964.96 = 592,243.12/x - Step 3: Cross multiply
1,021,714.12x = 1,409,964.96 × 592,243.12 - Step 4: Simplify right side
1,021,714.12x = 835,042,047,001.08 - Step 5: Solve for x
x = 835,042,047,001.08/1,021,714.12 - Step 6: Final answer
x = 817,295.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.