Home / 1,338,217.91-1,846,742.49-726,370.77

Finding the Fourth Proportional to 1,338,217.91, 1,846,742.49 and 726,370.77

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Solution

The fourth proportional to 1,338,217.91, 1,846,742.49 and 726,370.77 is: 1,002,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,217.91 : 1,846,742.49 = 726,370.77 : x
  2. Step 2: Convert to fraction form
    1,338,217.91/1,846,742.49 = 726,370.77/x
  3. Step 3: Cross multiply
    1,338,217.91x = 1,846,742.49 × 726,370.77
  4. Step 4: Simplify right side
    1,338,217.91x = 1,341,419,771,378.30
  5. Step 5: Solve for x
    x = 1,341,419,771,378.30/1,338,217.91
  6. Step 6: Final answer
    x = 1,002,392.63

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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.