Home / 1,247,902.44-1,872,049.50-538,132.20

Finding the Fourth Proportional to 1,247,902.44, 1,872,049.50 and 538,132.20

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Solution

The fourth proportional to 1,247,902.44, 1,872,049.50 and 538,132.20 is: 807,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,902.44 : 1,872,049.50 = 538,132.20 : x
  2. Step 2: Convert to fraction form
    1,247,902.44/1,872,049.50 = 538,132.20/x
  3. Step 3: Cross multiply
    1,247,902.44x = 1,872,049.50 × 538,132.20
  4. Step 4: Simplify right side
    1,247,902.44x = 1,007,410,115,943.90
  5. Step 5: Solve for x
    x = 1,007,410,115,943.90/1,247,902.44
  6. Step 6: Final answer
    x = 807,282.75

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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.