Finding the Fourth Proportional to 1,040,169.13, 1,560,141.92 and 705,358.87
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Solution
The fourth proportional to 1,040,169.13, 1,560,141.92 and 705,358.87 is: 1,057,962.50
Step by Step Solution
- Step 1: Write the proportion equation
1,040,169.13 : 1,560,141.92 = 705,358.87 : x - Step 2: Convert to fraction form
1,040,169.13/1,560,141.92 = 705,358.87/x - Step 3: Cross multiply
1,040,169.13x = 1,560,141.92 × 705,358.87 - Step 4: Simplify right side
1,040,169.13x = 1,100,459,938,204.04 - Step 5: Solve for x
x = 1,100,459,938,204.04/1,040,169.13 - Step 6: Final answer
x = 1,057,962.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.