Home / 1,329,682.44-1,995,249.42-769,810.44

Finding the Fourth Proportional to 1,329,682.44, 1,995,249.42 and 769,810.44

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Solution

The fourth proportional to 1,329,682.44, 1,995,249.42 and 769,810.44 is: 1,155,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,682.44 : 1,995,249.42 = 769,810.44 : x
  2. Step 2: Convert to fraction form
    1,329,682.44/1,995,249.42 = 769,810.44/x
  3. Step 3: Cross multiply
    1,329,682.44x = 1,995,249.42 × 769,810.44
  4. Step 4: Simplify right side
    1,329,682.44x = 1,535,963,833,919.94
  5. Step 5: Solve for x
    x = 1,535,963,833,919.94/1,329,682.44
  6. Step 6: Final answer
    x = 1,155,135.83

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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.