Home / 1,320,891.80-1,822,860.24-740,158.25

Finding the Fourth Proportional to 1,320,891.80, 1,822,860.24 and 740,158.25

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Solution

The fourth proportional to 1,320,891.80, 1,822,860.24 and 740,158.25 is: 1,021,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,891.80 : 1,822,860.24 = 740,158.25 : x
  2. Step 2: Convert to fraction form
    1,320,891.80/1,822,860.24 = 740,158.25/x
  3. Step 3: Cross multiply
    1,320,891.80x = 1,822,860.24 × 740,158.25
  4. Step 4: Simplify right side
    1,320,891.80x = 1,349,205,049,790.13
  5. Step 5: Solve for x
    x = 1,349,205,049,790.13/1,320,891.80
  6. Step 6: Final answer
    x = 1,021,434.95

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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.