Home / 1,198,963.96-1,655,675.22-769,991.44

Finding the Fourth Proportional to 1,198,963.96, 1,655,675.22 and 769,991.44

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Solution

The fourth proportional to 1,198,963.96, 1,655,675.22 and 769,991.44 is: 1,063,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,963.96 : 1,655,675.22 = 769,991.44 : x
  2. Step 2: Convert to fraction form
    1,198,963.96/1,655,675.22 = 769,991.44/x
  3. Step 3: Cross multiply
    1,198,963.96x = 1,655,675.22 × 769,991.44
  4. Step 4: Simplify right side
    1,198,963.96x = 1,274,855,746,820.12
  5. Step 5: Solve for x
    x = 1,274,855,746,820.12/1,198,963.96
  6. Step 6: Final answer
    x = 1,063,297.80

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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.