Home / 1,654,720.38-2,479,784.22-753,960.78

Finding the Fourth Proportional to 1,654,720.38, 2,479,784.22 and 753,960.78

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Solution

The fourth proportional to 1,654,720.38, 2,479,784.22 and 753,960.78 is: 1,129,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,720.38 : 2,479,784.22 = 753,960.78 : x
  2. Step 2: Convert to fraction form
    1,654,720.38/2,479,784.22 = 753,960.78/x
  3. Step 3: Cross multiply
    1,654,720.38x = 2,479,784.22 × 753,960.78
  4. Step 4: Simplify right side
    1,654,720.38x = 1,869,660,044,742.89
  5. Step 5: Solve for x
    x = 1,869,660,044,742.89/1,654,720.38
  6. Step 6: Final answer
    x = 1,129,894.86

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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.