Home / 1,412,434.80-1,948,934.52-929,195.28

Finding the Fourth Proportional to 1,412,434.80, 1,948,934.52 and 929,195.28

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Solution

The fourth proportional to 1,412,434.80, 1,948,934.52 and 929,195.28 is: 1,282,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,434.80 : 1,948,934.52 = 929,195.28 : x
  2. Step 2: Convert to fraction form
    1,412,434.80/1,948,934.52 = 929,195.28/x
  3. Step 3: Cross multiply
    1,412,434.80x = 1,948,934.52 × 929,195.28
  4. Step 4: Simplify right side
    1,412,434.80x = 1,810,940,757,013.07
  5. Step 5: Solve for x
    x = 1,810,940,757,013.07/1,412,434.80
  6. Step 6: Final answer
    x = 1,282,141.13

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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.