Finding the Fourth Proportional to 1,337,987.46, 1,846,423.65 and 726,140.09
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Solution
The fourth proportional to 1,337,987.46, 1,846,423.65 and 726,140.09 is: 1,002,073.84
Step by Step Solution
- Step 1: Write the proportion equation
1,337,987.46 : 1,846,423.65 = 726,140.09 : x - Step 2: Convert to fraction form
1,337,987.46/1,846,423.65 = 726,140.09/x - Step 3: Cross multiply
1,337,987.46x = 1,846,423.65 × 726,140.09 - Step 4: Simplify right side
1,337,987.46x = 1,340,762,226,157.01 - Step 5: Solve for x
x = 1,340,762,226,157.01/1,337,987.46 - Step 6: Final answer
x = 1,002,073.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.