Home / 1,336,757.60-2,005,136.40-662,942.90

Finding the Fourth Proportional to 1,336,757.60, 2,005,136.40 and 662,942.90

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Solution

The fourth proportional to 1,336,757.60, 2,005,136.40 and 662,942.90 is: 994,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,757.60 : 2,005,136.40 = 662,942.90 : x
  2. Step 2: Convert to fraction form
    1,336,757.60/2,005,136.40 = 662,942.90/x
  3. Step 3: Cross multiply
    1,336,757.60x = 2,005,136.40 × 662,942.90
  4. Step 4: Simplify right side
    1,336,757.60x = 1,329,290,939,911.56
  5. Step 5: Solve for x
    x = 1,329,290,939,911.56/1,336,757.60
  6. Step 6: Final answer
    x = 994,414.35

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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.