Home / 1,338,135.45-1,846,628.94-726,288.43

Finding the Fourth Proportional to 1,338,135.45, 1,846,628.94 and 726,288.43

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Solution

The fourth proportional to 1,338,135.45, 1,846,628.94 and 726,288.43 is: 1,002,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,135.45 : 1,846,628.94 = 726,288.43 : x
  2. Step 2: Convert to fraction form
    1,338,135.45/1,846,628.94 = 726,288.43/x
  3. Step 3: Cross multiply
    1,338,135.45x = 1,846,628.94 × 726,288.43
  4. Step 4: Simplify right side
    1,338,135.45x = 1,341,185,238,657.03
  5. Step 5: Solve for x
    x = 1,341,185,238,657.03/1,338,135.45
  6. Step 6: Final answer
    x = 1,002,279.13

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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.