Home / 1,689,249.25-2,331,165.18-925,305.85

Finding the Fourth Proportional to 1,689,249.25, 2,331,165.18 and 925,305.85

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Solution

The fourth proportional to 1,689,249.25, 2,331,165.18 and 925,305.85 is: 1,276,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,249.25 : 2,331,165.18 = 925,305.85 : x
  2. Step 2: Convert to fraction form
    1,689,249.25/2,331,165.18 = 925,305.85/x
  3. Step 3: Cross multiply
    1,689,249.25x = 2,331,165.18 × 925,305.85
  4. Step 4: Simplify right side
    1,689,249.25x = 2,157,040,778,370.30
  5. Step 5: Solve for x
    x = 2,157,040,778,370.30/1,689,249.25
  6. Step 6: Final answer
    x = 1,276,922.74

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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.