Home / 994,166.20-1,491,249.30-858,863.80

Finding the Fourth Proportional to 994,166.20, 1,491,249.30 and 858,863.80

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Solution

The fourth proportional to 994,166.20, 1,491,249.30 and 858,863.80 is: 1,288,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,166.20 : 1,491,249.30 = 858,863.80 : x
  2. Step 2: Convert to fraction form
    994,166.20/1,491,249.30 = 858,863.80/x
  3. Step 3: Cross multiply
    994,166.20x = 1,491,249.30 × 858,863.80
  4. Step 4: Simplify right side
    994,166.20x = 1,280,780,040,545.34
  5. Step 5: Solve for x
    x = 1,280,780,040,545.34/994,166.20
  6. Step 6: Final answer
    x = 1,288,295.70

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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.