Home / 1,338,253.25-1,846,790.91-726,405.90

Finding the Fourth Proportional to 1,338,253.25, 1,846,790.91 and 726,405.90

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Solution

The fourth proportional to 1,338,253.25, 1,846,790.91 and 726,405.90 is: 1,002,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,253.25 : 1,846,790.91 = 726,405.90 : x
  2. Step 2: Convert to fraction form
    1,338,253.25/1,846,790.91 = 726,405.90/x
  3. Step 3: Cross multiply
    1,338,253.25x = 1,846,790.91 × 726,405.90
  4. Step 4: Simplify right side
    1,338,253.25x = 1,341,519,813,090.37
  5. Step 5: Solve for x
    x = 1,341,519,813,090.37/1,338,253.25
  6. Step 6: Final answer
    x = 1,002,440.92

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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.