Home / 1,226.25-1,839.57-404.73

Finding the Fourth Proportional to 1,226.25, 1,839.57 and 404.73

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Solution

The fourth proportional to 1,226.25, 1,839.57 and 404.73 is: 607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.25 : 1,839.57 = 404.73 : x
  2. Step 2: Convert to fraction form
    1,226.25/1,839.57 = 404.73/x
  3. Step 3: Cross multiply
    1,226.25x = 1,839.57 × 404.73
  4. Step 4: Simplify right side
    1,226.25x = 744,529.17
  5. Step 5: Solve for x
    x = 744,529.17/1,226.25
  6. Step 6: Final answer
    x = 607.16

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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.