Home / 1,333,381.47-1,840,052.43-721,520.88

Finding the Fourth Proportional to 1,333,381.47, 1,840,052.43 and 721,520.88

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Solution

The fourth proportional to 1,333,381.47, 1,840,052.43 and 721,520.88 is: 995,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,381.47 : 1,840,052.43 = 721,520.88 : x
  2. Step 2: Convert to fraction form
    1,333,381.47/1,840,052.43 = 721,520.88/x
  3. Step 3: Cross multiply
    1,333,381.47x = 1,840,052.43 × 721,520.88
  4. Step 4: Simplify right side
    1,333,381.47x = 1,327,636,248,539.74
  5. Step 5: Solve for x
    x = 1,327,636,248,539.74/1,333,381.47
  6. Step 6: Final answer
    x = 995,691.24

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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.