Finding the Fourth Proportional to 1,242,640.87, 1,863,958.17 and 344,079.61
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Solution
The fourth proportional to 1,242,640.87, 1,863,958.17 and 344,079.61 is: 516,118.55
Step by Step Solution
- Step 1: Write the proportion equation
1,242,640.87 : 1,863,958.17 = 344,079.61 : x - Step 2: Convert to fraction form
1,242,640.87/1,863,958.17 = 344,079.61/x - Step 3: Cross multiply
1,242,640.87x = 1,863,958.17 × 344,079.61 - Step 4: Simplify right side
1,242,640.87x = 641,350,000,189.91 - Step 5: Solve for x
x = 641,350,000,189.91/1,242,640.87 - Step 6: Final answer
x = 516,118.55
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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.