Home / 1,415,832.40-2,123,748.60-418,560.40

Finding the Fourth Proportional to 1,415,832.40, 2,123,748.60 and 418,560.40

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Solution

The fourth proportional to 1,415,832.40, 2,123,748.60 and 418,560.40 is: 627,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,832.40 : 2,123,748.60 = 418,560.40 : x
  2. Step 2: Convert to fraction form
    1,415,832.40/2,123,748.60 = 418,560.40/x
  3. Step 3: Cross multiply
    1,415,832.40x = 2,123,748.60 × 418,560.40
  4. Step 4: Simplify right side
    1,415,832.40x = 888,917,063,515.44
  5. Step 5: Solve for x
    x = 888,917,063,515.44/1,415,832.40
  6. Step 6: Final answer
    x = 627,840.60

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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.