Home / 1,276,575.32-1,914,857.22-329,865.56

Finding the Fourth Proportional to 1,276,575.32, 1,914,857.22 and 329,865.56

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Solution

The fourth proportional to 1,276,575.32, 1,914,857.22 and 329,865.56 is: 494,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,575.32 : 1,914,857.22 = 329,865.56 : x
  2. Step 2: Convert to fraction form
    1,276,575.32/1,914,857.22 = 329,865.56/x
  3. Step 3: Cross multiply
    1,276,575.32x = 1,914,857.22 × 329,865.56
  4. Step 4: Simplify right side
    1,276,575.32x = 631,645,449,195.34
  5. Step 5: Solve for x
    x = 631,645,449,195.34/1,276,575.32
  6. Step 6: Final answer
    x = 494,796.85

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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.