Home / 1,271,415.97-1,906,914.33-418,498.73

Finding the Fourth Proportional to 1,271,415.97, 1,906,914.33 and 418,498.73

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Solution

The fourth proportional to 1,271,415.97, 1,906,914.33 and 418,498.73 is: 627,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,415.97 : 1,906,914.33 = 418,498.73 : x
  2. Step 2: Convert to fraction form
    1,271,415.97/1,906,914.33 = 418,498.73/x
  3. Step 3: Cross multiply
    1,271,415.97x = 1,906,914.33 × 418,498.73
  4. Step 4: Simplify right side
    1,271,415.97x = 798,041,215,789.23
  5. Step 5: Solve for x
    x = 798,041,215,789.23/1,271,415.97
  6. Step 6: Final answer
    x = 627,679.09

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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.