Home / 1,136,748.23-1,704,928.55-378,503.71

Finding the Fourth Proportional to 1,136,748.23, 1,704,928.55 and 378,503.71

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Solution

The fourth proportional to 1,136,748.23, 1,704,928.55 and 378,503.71 is: 567,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,748.23 : 1,704,928.55 = 378,503.71 : x
  2. Step 2: Convert to fraction form
    1,136,748.23/1,704,928.55 = 378,503.71/x
  3. Step 3: Cross multiply
    1,136,748.23x = 1,704,928.55 × 378,503.71
  4. Step 4: Simplify right side
    1,136,748.23x = 645,321,782,229.28
  5. Step 5: Solve for x
    x = 645,321,782,229.28/1,136,748.23
  6. Step 6: Final answer
    x = 567,691.04

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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.