Home / 1,136,765.53-1,704,954.45-378,520.98

Finding the Fourth Proportional to 1,136,765.53, 1,704,954.45 and 378,520.98

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Solution

The fourth proportional to 1,136,765.53, 1,704,954.45 and 378,520.98 is: 567,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,765.53 : 1,704,954.45 = 378,520.98 : x
  2. Step 2: Convert to fraction form
    1,136,765.53/1,704,954.45 = 378,520.98/x
  3. Step 3: Cross multiply
    1,136,765.53x = 1,704,954.45 × 378,520.98
  4. Step 4: Simplify right side
    1,136,765.53x = 645,361,030,691.83
  5. Step 5: Solve for x
    x = 645,361,030,691.83/1,136,765.53
  6. Step 6: Final answer
    x = 567,716.93

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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.