Home / 1,422,195.30-1,962,616.14-777,608.64

Finding the Fourth Proportional to 1,422,195.30, 1,962,616.14 and 777,608.64

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Solution

The fourth proportional to 1,422,195.30, 1,962,616.14 and 777,608.64 is: 1,073,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,195.30 : 1,962,616.14 = 777,608.64 : x
  2. Step 2: Convert to fraction form
    1,422,195.30/1,962,616.14 = 777,608.64/x
  3. Step 3: Cross multiply
    1,422,195.30x = 1,962,616.14 × 777,608.64
  4. Step 4: Simplify right side
    1,422,195.30x = 1,526,147,267,467.45
  5. Step 5: Solve for x
    x = 1,526,147,267,467.45/1,422,195.30
  6. Step 6: Final answer
    x = 1,073,092.61

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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.