Home / 1,654,720.88-2,479,784.97-753,961.28

Finding the Fourth Proportional to 1,654,720.88, 2,479,784.97 and 753,961.28

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Solution

The fourth proportional to 1,654,720.88, 2,479,784.97 and 753,961.28 is: 1,129,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,720.88 : 2,479,784.97 = 753,961.28 : x
  2. Step 2: Convert to fraction form
    1,654,720.88/2,479,784.97 = 753,961.28/x
  3. Step 3: Cross multiply
    1,654,720.88x = 2,479,784.97 × 753,961.28
  4. Step 4: Simplify right side
    1,654,720.88x = 1,869,661,850,105.96
  5. Step 5: Solve for x
    x = 1,869,661,850,105.96/1,654,720.88
  6. Step 6: Final answer
    x = 1,129,895.61

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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.