Home / 1,270,288.73-1,752,934.15-754,064.72

Finding the Fourth Proportional to 1,270,288.73, 1,752,934.15 and 754,064.72

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Solution

The fourth proportional to 1,270,288.73, 1,752,934.15 and 754,064.72 is: 1,040,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,288.73 : 1,752,934.15 = 754,064.72 : x
  2. Step 2: Convert to fraction form
    1,270,288.73/1,752,934.15 = 754,064.72/x
  3. Step 3: Cross multiply
    1,270,288.73x = 1,752,934.15 × 754,064.72
  4. Step 4: Simplify right side
    1,270,288.73x = 1,321,825,788,348.36
  5. Step 5: Solve for x
    x = 1,321,825,788,348.36/1,270,288.73
  6. Step 6: Final answer
    x = 1,040,571.14

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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.