Home / 1,775,249.30-2,449,721.03-1,000,907.78

Finding the Fourth Proportional to 1,775,249.30, 2,449,721.03 and 1,000,907.78

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Solution

The fourth proportional to 1,775,249.30, 2,449,721.03 and 1,000,907.78 is: 1,381,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,249.30 : 2,449,721.03 = 1,000,907.78 : x
  2. Step 2: Convert to fraction form
    1,775,249.30/2,449,721.03 = 1,000,907.78/x
  3. Step 3: Cross multiply
    1,775,249.30x = 2,449,721.03 × 1,000,907.78
  4. Step 4: Simplify right side
    1,775,249.30x = 2,451,944,820,503.47
  5. Step 5: Solve for x
    x = 2,451,944,820,503.47/1,775,249.30
  6. Step 6: Final answer
    x = 1,381,183.38

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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.