Home / 1,338,135.95-1,846,629.65-726,288.93

Finding the Fourth Proportional to 1,338,135.95, 1,846,629.65 and 726,288.93

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Solution

The fourth proportional to 1,338,135.95, 1,846,629.65 and 726,288.93 is: 1,002,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,135.95 : 1,846,629.65 = 726,288.93 : x
  2. Step 2: Convert to fraction form
    1,338,135.95/1,846,629.65 = 726,288.93/x
  3. Step 3: Cross multiply
    1,338,135.95x = 1,846,629.65 × 726,288.93
  4. Step 4: Simplify right side
    1,338,135.95x = 1,341,186,668,973.33
  5. Step 5: Solve for x
    x = 1,341,186,668,973.33/1,338,135.95
  6. Step 6: Final answer
    x = 1,002,279.83

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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.