Home / 1,287.73-1,932.59-594.70

Finding the Fourth Proportional to 1,287.73, 1,932.59 and 594.70

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Solution

The fourth proportional to 1,287.73, 1,932.59 and 594.70 is: 892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287.73 : 1,932.59 = 594.70 : x
  2. Step 2: Convert to fraction form
    1,287.73/1,932.59 = 594.70/x
  3. Step 3: Cross multiply
    1,287.73x = 1,932.59 × 594.70
  4. Step 4: Simplify right side
    1,287.73x = 1,149,311.27
  5. Step 5: Solve for x
    x = 1,149,311.27/1,287.73
  6. Step 6: Final answer
    x = 892.51

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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.