Home / 1,115,074.20-1,538,934.30-662,367

Finding the Fourth Proportional to 1,115,074.20, 1,538,934.30 and 662,367

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Solution

The fourth proportional to 1,115,074.20, 1,538,934.30 and 662,367 is: 914,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,074.20 : 1,538,934.30 = 662,367 : x
  2. Step 2: Convert to fraction form
    1,115,074.20/1,538,934.30 = 662,367/x
  3. Step 3: Cross multiply
    1,115,074.20x = 1,538,934.30 × 662,367
  4. Step 4: Simplify right side
    1,115,074.20x = 1,019,339,295,488.10
  5. Step 5: Solve for x
    x = 1,019,339,295,488.10/1,115,074.20
  6. Step 6: Final answer
    x = 914,144.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.