Home / 1,149,839.28-1,724,865.44-391,425.89

Finding the Fourth Proportional to 1,149,839.28, 1,724,865.44 and 391,425.89

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Solution

The fourth proportional to 1,149,839.28, 1,724,865.44 and 391,425.89 is: 587,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,839.28 : 1,724,865.44 = 391,425.89 : x
  2. Step 2: Convert to fraction form
    1,149,839.28/1,724,865.44 = 391,425.89/x
  3. Step 3: Cross multiply
    1,149,839.28x = 1,724,865.44 × 391,425.89
  4. Step 4: Simplify right side
    1,149,839.28x = 675,156,979,400.79
  5. Step 5: Solve for x
    x = 675,156,979,400.79/1,149,839.28
  6. Step 6: Final answer
    x = 587,175.09

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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.