Home / 979,898.20-1,469,847.30-839,930.20

Finding the Fourth Proportional to 979,898.20, 1,469,847.30 and 839,930.20

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Solution

The fourth proportional to 979,898.20, 1,469,847.30 and 839,930.20 is: 1,259,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,898.20 : 1,469,847.30 = 839,930.20 : x
  2. Step 2: Convert to fraction form
    979,898.20/1,469,847.30 = 839,930.20/x
  3. Step 3: Cross multiply
    979,898.20x = 1,469,847.30 × 839,930.20
  4. Step 4: Simplify right side
    979,898.20x = 1,234,569,136,658.46
  5. Step 5: Solve for x
    x = 1,234,569,136,658.46/979,898.20
  6. Step 6: Final answer
    x = 1,259,895.30

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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.