Home / 1,418,188.20-2,125,508.40-708,414.36

Finding the Fourth Proportional to 1,418,188.20, 2,125,508.40 and 708,414.36

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Solution

The fourth proportional to 1,418,188.20, 2,125,508.40 and 708,414.36 is: 1,061,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,188.20 : 2,125,508.40 = 708,414.36 : x
  2. Step 2: Convert to fraction form
    1,418,188.20/2,125,508.40 = 708,414.36/x
  3. Step 3: Cross multiply
    1,418,188.20x = 2,125,508.40 × 708,414.36
  4. Step 4: Simplify right side
    1,418,188.20x = 1,505,740,672,860.62
  5. Step 5: Solve for x
    x = 1,505,740,672,860.62/1,418,188.20
  6. Step 6: Final answer
    x = 1,061,735.44

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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.