Home / 1,247,757.72-1,871,636.91-349,331.79

Finding the Fourth Proportional to 1,247,757.72, 1,871,636.91 and 349,331.79

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Solution

The fourth proportional to 1,247,757.72, 1,871,636.91 and 349,331.79 is: 523,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,757.72 : 1,871,636.91 = 349,331.79 : x
  2. Step 2: Convert to fraction form
    1,247,757.72/1,871,636.91 = 349,331.79/x
  3. Step 3: Cross multiply
    1,247,757.72x = 1,871,636.91 × 349,331.79
  4. Step 4: Simplify right side
    1,247,757.72x = 653,822,272,000.37
  5. Step 5: Solve for x
    x = 653,822,272,000.37/1,247,757.72
  6. Step 6: Final answer
    x = 523,997.78

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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.