Home / 1,375,505.20-2,063,257.80-378,233.20

Finding the Fourth Proportional to 1,375,505.20, 2,063,257.80 and 378,233.20

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Solution

The fourth proportional to 1,375,505.20, 2,063,257.80 and 378,233.20 is: 567,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,505.20 : 2,063,257.80 = 378,233.20 : x
  2. Step 2: Convert to fraction form
    1,375,505.20/2,063,257.80 = 378,233.20/x
  3. Step 3: Cross multiply
    1,375,505.20x = 2,063,257.80 × 378,233.20
  4. Step 4: Simplify right side
    1,375,505.20x = 780,392,600,118.96
  5. Step 5: Solve for x
    x = 780,392,600,118.96/1,375,505.20
  6. Step 6: Final answer
    x = 567,349.80

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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.