Home / 1,338,112.20-1,846,595.76-726,264.98

Finding the Fourth Proportional to 1,338,112.20, 1,846,595.76 and 726,264.98

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Solution

The fourth proportional to 1,338,112.20, 1,846,595.76 and 726,264.98 is: 1,002,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,112.20 : 1,846,595.76 = 726,264.98 : x
  2. Step 2: Convert to fraction form
    1,338,112.20/1,846,595.76 = 726,264.98/x
  3. Step 3: Cross multiply
    1,338,112.20x = 1,846,595.76 × 726,264.98
  4. Step 4: Simplify right side
    1,338,112.20x = 1,341,117,832,704.48
  5. Step 5: Solve for x
    x = 1,341,117,832,704.48/1,338,112.20
  6. Step 6: Final answer
    x = 1,002,246.17

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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.