Home / 1,275,360.80-1,760,077.52-702,400.80

Finding the Fourth Proportional to 1,275,360.80, 1,760,077.52 and 702,400.80

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Solution

The fourth proportional to 1,275,360.80, 1,760,077.52 and 702,400.80 is: 969,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,360.80 : 1,760,077.52 = 702,400.80 : x
  2. Step 2: Convert to fraction form
    1,275,360.80/1,760,077.52 = 702,400.80/x
  3. Step 3: Cross multiply
    1,275,360.80x = 1,760,077.52 × 702,400.80
  4. Step 4: Simplify right side
    1,275,360.80x = 1,236,279,858,110.02
  5. Step 5: Solve for x
    x = 1,236,279,858,110.02/1,275,360.80
  6. Step 6: Final answer
    x = 969,356.95

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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.