Finding the Fourth Proportional to 1,387,432.92, 2,081,138.58 and 713,703
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Solution
The fourth proportional to 1,387,432.92, 2,081,138.58 and 713,703 is: 1,070,548.94
Step by Step Solution
- Step 1: Write the proportion equation
1,387,432.92 : 2,081,138.58 = 713,703 : x - Step 2: Convert to fraction form
1,387,432.92/2,081,138.58 = 713,703/x - Step 3: Cross multiply
1,387,432.92x = 2,081,138.58 × 713,703 - Step 4: Simplify right side
1,387,432.92x = 1,485,314,847,961.74 - Step 5: Solve for x
x = 1,485,314,847,961.74/1,387,432.92 - Step 6: Final answer
x = 1,070,548.94
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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.