Home / 994,165.20-1,491,247.80-858,862.80

Finding the Fourth Proportional to 994,165.20, 1,491,247.80 and 858,862.80

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Solution

The fourth proportional to 994,165.20, 1,491,247.80 and 858,862.80 is: 1,288,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,165.20 : 1,491,247.80 = 858,862.80 : x
  2. Step 2: Convert to fraction form
    994,165.20/1,491,247.80 = 858,862.80/x
  3. Step 3: Cross multiply
    994,165.20x = 1,491,247.80 × 858,862.80
  4. Step 4: Simplify right side
    994,165.20x = 1,280,777,261,001.84
  5. Step 5: Solve for x
    x = 1,280,777,261,001.84/994,165.20
  6. Step 6: Final answer
    x = 1,288,294.20

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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.