Home / 1,755,129.20-2,630,620.20-744,249.20

Finding the Fourth Proportional to 1,755,129.20, 2,630,620.20 and 744,249.20

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Solution

The fourth proportional to 1,755,129.20, 2,630,620.20 and 744,249.20 is: 1,115,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,129.20 : 2,630,620.20 = 744,249.20 : x
  2. Step 2: Convert to fraction form
    1,755,129.20/2,630,620.20 = 744,249.20/x
  3. Step 3: Cross multiply
    1,755,129.20x = 2,630,620.20 × 744,249.20
  4. Step 4: Simplify right side
    1,755,129.20x = 1,957,836,979,353.84
  5. Step 5: Solve for x
    x = 1,957,836,979,353.84/1,755,129.20
  6. Step 6: Final answer
    x = 1,115,494.51

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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.