Home / 1,108,387.14-1,529,591.23-649,391.88

Finding the Fourth Proportional to 1,108,387.14, 1,529,591.23 and 649,391.88

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Solution

The fourth proportional to 1,108,387.14, 1,529,591.23 and 649,391.88 is: 896,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,387.14 : 1,529,591.23 = 649,391.88 : x
  2. Step 2: Convert to fraction form
    1,108,387.14/1,529,591.23 = 649,391.88/x
  3. Step 3: Cross multiply
    1,108,387.14x = 1,529,591.23 × 649,391.88
  4. Step 4: Simplify right side
    1,108,387.14x = 993,304,121,234.25
  5. Step 5: Solve for x
    x = 993,304,121,234.25/1,108,387.14
  6. Step 6: Final answer
    x = 896,170.74

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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.