Home / 994,089.60-1,491,134.40-284,140.80

Finding the Fourth Proportional to 994,089.60, 1,491,134.40 and 284,140.80

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Solution

The fourth proportional to 994,089.60, 1,491,134.40 and 284,140.80 is: 426,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,089.60 : 1,491,134.40 = 284,140.80 : x
  2. Step 2: Convert to fraction form
    994,089.60/1,491,134.40 = 284,140.80/x
  3. Step 3: Cross multiply
    994,089.60x = 1,491,134.40 × 284,140.80
  4. Step 4: Simplify right side
    994,089.60x = 423,692,121,323.52
  5. Step 5: Solve for x
    x = 423,692,121,323.52/994,089.60
  6. Step 6: Final answer
    x = 426,211.20

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Similar ratio
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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.