Home / 1,103,013.59-1,654,148.32-419,738.24

Finding the Fourth Proportional to 1,103,013.59, 1,654,148.32 and 419,738.24

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Solution

The fourth proportional to 1,103,013.59, 1,654,148.32 and 419,738.24 is: 629,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,013.59 : 1,654,148.32 = 419,738.24 : x
  2. Step 2: Convert to fraction form
    1,103,013.59/1,654,148.32 = 419,738.24/x
  3. Step 3: Cross multiply
    1,103,013.59x = 1,654,148.32 × 419,738.24
  4. Step 4: Simplify right side
    1,103,013.59x = 694,309,307,621.78
  5. Step 5: Solve for x
    x = 694,309,307,621.78/1,103,013.59
  6. Step 6: Final answer
    x = 629,465.78

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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.