Home / 994,020.30-1,491,030.45-917,037.90

Finding the Fourth Proportional to 994,020.30, 1,491,030.45 and 917,037.90

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Solution

The fourth proportional to 994,020.30, 1,491,030.45 and 917,037.90 is: 1,375,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,020.30 : 1,491,030.45 = 917,037.90 : x
  2. Step 2: Convert to fraction form
    994,020.30/1,491,030.45 = 917,037.90/x
  3. Step 3: Cross multiply
    994,020.30x = 1,491,030.45 × 917,037.90
  4. Step 4: Simplify right side
    994,020.30x = 1,367,331,432,704.06
  5. Step 5: Solve for x
    x = 1,367,331,432,704.06/994,020.30
  6. Step 6: Final answer
    x = 1,375,556.85

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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.