Home / 1,275,521.97-1,760,092.58-785,412.95

Finding the Fourth Proportional to 1,275,521.97, 1,760,092.58 and 785,412.95

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Solution

The fourth proportional to 1,275,521.97, 1,760,092.58 and 785,412.95 is: 1,083,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,521.97 : 1,760,092.58 = 785,412.95 : x
  2. Step 2: Convert to fraction form
    1,275,521.97/1,760,092.58 = 785,412.95/x
  3. Step 3: Cross multiply
    1,275,521.97x = 1,760,092.58 × 785,412.95
  4. Step 4: Simplify right side
    1,275,521.97x = 1,382,399,492,803.38
  5. Step 5: Solve for x
    x = 1,382,399,492,803.38/1,275,521.97
  6. Step 6: Final answer
    x = 1,083,791.20

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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.