Home / 1,338,048.87-1,846,520.73-726,207.06

Finding the Fourth Proportional to 1,338,048.87, 1,846,520.73 and 726,207.06

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Solution

The fourth proportional to 1,338,048.87, 1,846,520.73 and 726,207.06 is: 1,002,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,048.87 : 1,846,520.73 = 726,207.06 : x
  2. Step 2: Convert to fraction form
    1,338,048.87/1,846,520.73 = 726,207.06/x
  3. Step 3: Cross multiply
    1,338,048.87x = 1,846,520.73 × 726,207.06
  4. Step 4: Simplify right side
    1,338,048.87x = 1,340,956,390,562.35
  5. Step 5: Solve for x
    x = 1,340,956,390,562.35/1,338,048.87
  6. Step 6: Final answer
    x = 1,002,172.96

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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.