Home / 1,232.60-1,849.40-574.80

Finding the Fourth Proportional to 1,232.60, 1,849.40 and 574.80

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Solution

The fourth proportional to 1,232.60, 1,849.40 and 574.80 is: 862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.60 : 1,849.40 = 574.80 : x
  2. Step 2: Convert to fraction form
    1,232.60/1,849.40 = 574.80/x
  3. Step 3: Cross multiply
    1,232.60x = 1,849.40 × 574.80
  4. Step 4: Simplify right side
    1,232.60x = 1,063,035.12
  5. Step 5: Solve for x
    x = 1,063,035.12/1,232.60
  6. Step 6: Final answer
    x = 862.43

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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.