Home / 1,422,414.13-1,962,930.65-777,834.33

Finding the Fourth Proportional to 1,422,414.13, 1,962,930.65 and 777,834.33

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Solution

The fourth proportional to 1,422,414.13, 1,962,930.65 and 777,834.33 is: 1,073,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,414.13 : 1,962,930.65 = 777,834.33 : x
  2. Step 2: Convert to fraction form
    1,422,414.13/1,962,930.65 = 777,834.33/x
  3. Step 3: Cross multiply
    1,422,414.13x = 1,962,930.65 × 777,834.33
  4. Step 4: Simplify right side
    1,422,414.13x = 1,526,834,846,979.21
  5. Step 5: Solve for x
    x = 1,526,834,846,979.21/1,422,414.13
  6. Step 6: Final answer
    x = 1,073,410.91

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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.