Home / 1,226.13-1,839.41-404.97

Finding the Fourth Proportional to 1,226.13, 1,839.41 and 404.97

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Solution

The fourth proportional to 1,226.13, 1,839.41 and 404.97 is: 607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.13 : 1,839.41 = 404.97 : x
  2. Step 2: Convert to fraction form
    1,226.13/1,839.41 = 404.97/x
  3. Step 3: Cross multiply
    1,226.13x = 1,839.41 × 404.97
  4. Step 4: Simplify right side
    1,226.13x = 744,905.87
  5. Step 5: Solve for x
    x = 744,905.87/1,226.13
  6. Step 6: Final answer
    x = 607.53

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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.