Finding the Fourth Proportional to 1,102,729.20, 1,654,135.92 and 344,640.48
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Solution
The fourth proportional to 1,102,729.20, 1,654,135.92 and 344,640.48 is: 516,973.88
Step by Step Solution
- Step 1: Write the proportion equation
1,102,729.20 : 1,654,135.92 = 344,640.48 : x - Step 2: Convert to fraction form
1,102,729.20/1,654,135.92 = 344,640.48/x - Step 3: Cross multiply
1,102,729.20x = 1,654,135.92 × 344,640.48 - Step 4: Simplify right side
1,102,729.20x = 570,082,197,454.04 - Step 5: Solve for x
x = 570,082,197,454.04/1,102,729.20 - Step 6: Final answer
x = 516,973.88
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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.