Home / 1,338,220.91-1,846,695.11-726,360.55

Finding the Fourth Proportional to 1,338,220.91, 1,846,695.11 and 726,360.55

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Solution

The fourth proportional to 1,338,220.91, 1,846,695.11 and 726,360.55 is: 1,002,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,220.91 : 1,846,695.11 = 726,360.55 : x
  2. Step 2: Convert to fraction form
    1,338,220.91/1,846,695.11 = 726,360.55/x
  3. Step 3: Cross multiply
    1,338,220.91x = 1,846,695.11 × 726,360.55
  4. Step 4: Simplify right side
    1,338,220.91x = 1,341,366,467,533.37
  5. Step 5: Solve for x
    x = 1,341,366,467,533.37/1,338,220.91
  6. Step 6: Final answer
    x = 1,002,350.55

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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.