Finding the Fourth Proportional to 1,145,956.28, 1,717,865.94 and 387,267.18
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Solution
The fourth proportional to 1,145,956.28, 1,717,865.94 and 387,267.18 is: 580,539.69
Step by Step Solution
- Step 1: Write the proportion equation
1,145,956.28 : 1,717,865.94 = 387,267.18 : x - Step 2: Convert to fraction form
1,145,956.28/1,717,865.94 = 387,267.18/x - Step 3: Cross multiply
1,145,956.28x = 1,717,865.94 × 387,267.18 - Step 4: Simplify right side
1,145,956.28x = 665,273,098,201.85 - Step 5: Solve for x
x = 665,273,098,201.85/1,145,956.28 - Step 6: Final answer
x = 580,539.69
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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.