Home / 1,422,151.22-1,962,568.85-777,571.85

Finding the Fourth Proportional to 1,422,151.22, 1,962,568.85 and 777,571.85

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Solution

The fourth proportional to 1,422,151.22, 1,962,568.85 and 777,571.85 is: 1,073,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,151.22 : 1,962,568.85 = 777,571.85 : x
  2. Step 2: Convert to fraction form
    1,422,151.22/1,962,568.85 = 777,571.85/x
  3. Step 3: Cross multiply
    1,422,151.22x = 1,962,568.85 × 777,571.85
  4. Step 4: Simplify right side
    1,422,151.22x = 1,526,038,292,465.44
  5. Step 5: Solve for x
    x = 1,526,038,292,465.44/1,422,151.22
  6. Step 6: Final answer
    x = 1,073,049.24

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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.