Home / 1,067,678.94-1,471,601.26-809,470.38

Finding the Fourth Proportional to 1,067,678.94, 1,471,601.26 and 809,470.38

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Solution

The fourth proportional to 1,067,678.94, 1,471,601.26 and 809,470.38 is: 1,115,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,678.94 : 1,471,601.26 = 809,470.38 : x
  2. Step 2: Convert to fraction form
    1,067,678.94/1,471,601.26 = 809,470.38/x
  3. Step 3: Cross multiply
    1,067,678.94x = 1,471,601.26 × 809,470.38
  4. Step 4: Simplify right side
    1,067,678.94x = 1,191,217,631,140.68
  5. Step 5: Solve for x
    x = 1,191,217,631,140.68/1,067,678.94
  6. Step 6: Final answer
    x = 1,115,707.72

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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.