Home / 994,337.60-1,491,506.40-987,339.20

Finding the Fourth Proportional to 994,337.60, 1,491,506.40 and 987,339.20

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Solution

The fourth proportional to 994,337.60, 1,491,506.40 and 987,339.20 is: 1,481,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,337.60 : 1,491,506.40 = 987,339.20 : x
  2. Step 2: Convert to fraction form
    994,337.60/1,491,506.40 = 987,339.20/x
  3. Step 3: Cross multiply
    994,337.60x = 1,491,506.40 × 987,339.20
  4. Step 4: Simplify right side
    994,337.60x = 1,472,622,735,770.88
  5. Step 5: Solve for x
    x = 1,472,622,735,770.88/994,337.60
  6. Step 6: Final answer
    x = 1,481,008.80

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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.