Home / 1,191,542.26-1,787,297.84-292,991.78

Finding the Fourth Proportional to 1,191,542.26, 1,787,297.84 and 292,991.78

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Solution

The fourth proportional to 1,191,542.26, 1,787,297.84 and 292,991.78 is: 439,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,542.26 : 1,787,297.84 = 292,991.78 : x
  2. Step 2: Convert to fraction form
    1,191,542.26/1,787,297.84 = 292,991.78/x
  3. Step 3: Cross multiply
    1,191,542.26x = 1,787,297.84 × 292,991.78
  4. Step 4: Simplify right side
    1,191,542.26x = 523,663,580,869.83
  5. Step 5: Solve for x
    x = 523,663,580,869.83/1,191,542.26
  6. Step 6: Final answer
    x = 439,483.85

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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.