Finding the Fourth Proportional to 1,027,892.40, 1,539,593.16 and 427,031.76
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Solution
The fourth proportional to 1,027,892.40, 1,539,593.16 and 427,031.76 is: 639,614.79
Step by Step Solution
- Step 1: Write the proportion equation
1,027,892.40 : 1,539,593.16 = 427,031.76 : x - Step 2: Convert to fraction form
1,027,892.40/1,539,593.16 = 427,031.76/x - Step 3: Cross multiply
1,027,892.40x = 1,539,593.16 × 427,031.76 - Step 4: Simplify right side
1,027,892.40x = 657,455,176,798.76 - Step 5: Solve for x
x = 657,455,176,798.76/1,027,892.40 - Step 6: Final answer
x = 639,614.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.