Home / 1,333,451.97-1,840,149.50-721,591.34

Finding the Fourth Proportional to 1,333,451.97, 1,840,149.50 and 721,591.34

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Solution

The fourth proportional to 1,333,451.97, 1,840,149.50 and 721,591.34 is: 995,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,451.97 : 1,840,149.50 = 721,591.34 : x
  2. Step 2: Convert to fraction form
    1,333,451.97/1,840,149.50 = 721,591.34/x
  3. Step 3: Cross multiply
    1,333,451.97x = 1,840,149.50 × 721,591.34
  4. Step 4: Simplify right side
    1,333,451.97x = 1,327,835,930,696.63
  5. Step 5: Solve for x
    x = 1,327,835,930,696.63/1,333,451.97
  6. Step 6: Final answer
    x = 995,788.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.