Home / 1,786,937.34-2,681,734.59-721,988.61

Finding the Fourth Proportional to 1,786,937.34, 2,681,734.59 and 721,988.61

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Solution

The fourth proportional to 1,786,937.34, 2,681,734.59 and 721,988.61 is: 1,083,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,937.34 : 2,681,734.59 = 721,988.61 : x
  2. Step 2: Convert to fraction form
    1,786,937.34/2,681,734.59 = 721,988.61/x
  3. Step 3: Cross multiply
    1,786,937.34x = 2,681,734.59 × 721,988.61
  4. Step 4: Simplify right side
    1,786,937.34x = 1,936,181,829,023.02
  5. Step 5: Solve for x
    x = 1,936,181,829,023.02/1,786,937.34
  6. Step 6: Final answer
    x = 1,083,519.71

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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.