Home / 1,000,526.18-1,380,724.53-541,640.63

Finding the Fourth Proportional to 1,000,526.18, 1,380,724.53 and 541,640.63

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Solution

The fourth proportional to 1,000,526.18, 1,380,724.53 and 541,640.63 is: 747,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,526.18 : 1,380,724.53 = 541,640.63 : x
  2. Step 2: Convert to fraction form
    1,000,526.18/1,380,724.53 = 541,640.63/x
  3. Step 3: Cross multiply
    1,000,526.18x = 1,380,724.53 × 541,640.63
  4. Step 4: Simplify right side
    1,000,526.18x = 747,856,497,382.03
  5. Step 5: Solve for x
    x = 747,856,497,382.03/1,000,526.18
  6. Step 6: Final answer
    x = 747,463.20

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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.