Home / 1,224.02-1,836.18-574.61

Finding the Fourth Proportional to 1,224.02, 1,836.18 and 574.61

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Solution

The fourth proportional to 1,224.02, 1,836.18 and 574.61 is: 861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.02 : 1,836.18 = 574.61 : x
  2. Step 2: Convert to fraction form
    1,224.02/1,836.18 = 574.61/x
  3. Step 3: Cross multiply
    1,224.02x = 1,836.18 × 574.61
  4. Step 4: Simplify right side
    1,224.02x = 1,055,078.21
  5. Step 5: Solve for x
    x = 1,055,078.21/1,224.02
  6. Step 6: Final answer
    x = 861.98

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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.