Home / 1,376,150.44-1,899,131.90-764,310.56

Finding the Fourth Proportional to 1,376,150.44, 1,899,131.90 and 764,310.56

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Solution

The fourth proportional to 1,376,150.44, 1,899,131.90 and 764,310.56 is: 1,054,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,150.44 : 1,899,131.90 = 764,310.56 : x
  2. Step 2: Convert to fraction form
    1,376,150.44/1,899,131.90 = 764,310.56/x
  3. Step 3: Cross multiply
    1,376,150.44x = 1,899,131.90 × 764,310.56
  4. Step 4: Simplify right side
    1,376,150.44x = 1,451,526,566,002.86
  5. Step 5: Solve for x
    x = 1,451,526,566,002.86/1,376,150.44
  6. Step 6: Final answer
    x = 1,054,773.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.