Home / 1,378,101.16-2,067,571.32-704,655.49

Finding the Fourth Proportional to 1,378,101.16, 2,067,571.32 and 704,655.49

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Solution

The fourth proportional to 1,378,101.16, 2,067,571.32 and 704,655.49 is: 1,057,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,101.16 : 2,067,571.32 = 704,655.49 : x
  2. Step 2: Convert to fraction form
    1,378,101.16/2,067,571.32 = 704,655.49/x
  3. Step 3: Cross multiply
    1,378,101.16x = 2,067,571.32 × 704,655.49
  4. Step 4: Simplify right side
    1,378,101.16x = 1,456,925,481,604.55
  5. Step 5: Solve for x
    x = 1,456,925,481,604.55/1,378,101.16
  6. Step 6: Final answer
    x = 1,057,197.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.