Home / 1,226.26-1,839.53-404.47

Finding the Fourth Proportional to 1,226.26, 1,839.53 and 404.47

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Solution

The fourth proportional to 1,226.26, 1,839.53 and 404.47 is: 606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.26 : 1,839.53 = 404.47 : x
  2. Step 2: Convert to fraction form
    1,226.26/1,839.53 = 404.47/x
  3. Step 3: Cross multiply
    1,226.26x = 1,839.53 × 404.47
  4. Step 4: Simplify right side
    1,226.26x = 744,034.70
  5. Step 5: Solve for x
    x = 744,034.70/1,226.26
  6. Step 6: Final answer
    x = 606.75

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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.