Home / 994,028.20-1,491,042.30-639,442.60

Finding the Fourth Proportional to 994,028.20, 1,491,042.30 and 639,442.60

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Solution

The fourth proportional to 994,028.20, 1,491,042.30 and 639,442.60 is: 959,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,028.20 : 1,491,042.30 = 639,442.60 : x
  2. Step 2: Convert to fraction form
    994,028.20/1,491,042.30 = 639,442.60/x
  3. Step 3: Cross multiply
    994,028.20x = 1,491,042.30 × 639,442.60
  4. Step 4: Simplify right side
    994,028.20x = 953,435,965,021.98
  5. Step 5: Solve for x
    x = 953,435,965,021.98/994,028.20
  6. Step 6: Final answer
    x = 959,163.90

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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.