Home / 1,226.26-1,839.39-576.52

Finding the Fourth Proportional to 1,226.26, 1,839.39 and 576.52

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Solution

The fourth proportional to 1,226.26, 1,839.39 and 576.52 is: 864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.26 : 1,839.39 = 576.52 : x
  2. Step 2: Convert to fraction form
    1,226.26/1,839.39 = 576.52/x
  3. Step 3: Cross multiply
    1,226.26x = 1,839.39 × 576.52
  4. Step 4: Simplify right side
    1,226.26x = 1,060,445.12
  5. Step 5: Solve for x
    x = 1,060,445.12/1,226.26
  6. Step 6: Final answer
    x = 864.78

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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.