Home / 994,024.20-1,491,036.30-858,721.80

Finding the Fourth Proportional to 994,024.20, 1,491,036.30 and 858,721.80

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Solution

The fourth proportional to 994,024.20, 1,491,036.30 and 858,721.80 is: 1,288,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,024.20 : 1,491,036.30 = 858,721.80 : x
  2. Step 2: Convert to fraction form
    994,024.20/1,491,036.30 = 858,721.80/x
  3. Step 3: Cross multiply
    994,024.20x = 1,491,036.30 × 858,721.80
  4. Step 4: Simplify right side
    994,024.20x = 1,280,385,375,401.34
  5. Step 5: Solve for x
    x = 1,280,385,375,401.34/994,024.20
  6. Step 6: Final answer
    x = 1,288,082.70

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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.