Home / 1,270,084.13-1,752,715.42-718,789.83

Finding the Fourth Proportional to 1,270,084.13, 1,752,715.42 and 718,789.83

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Solution

The fourth proportional to 1,270,084.13, 1,752,715.42 and 718,789.83 is: 991,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,084.13 : 1,752,715.42 = 718,789.83 : x
  2. Step 2: Convert to fraction form
    1,270,084.13/1,752,715.42 = 718,789.83/x
  3. Step 3: Cross multiply
    1,270,084.13x = 1,752,715.42 × 718,789.83
  4. Step 4: Simplify right side
    1,270,084.13x = 1,259,834,006,422.65
  5. Step 5: Solve for x
    x = 1,259,834,006,422.65/1,270,084.13
  6. Step 6: Final answer
    x = 991,929.58

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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.