Home / 1,691,907.72-2,332,249.67-1,037,321.88

Finding the Fourth Proportional to 1,691,907.72, 2,332,249.67 and 1,037,321.88

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Solution

The fourth proportional to 1,691,907.72, 2,332,249.67 and 1,037,321.88 is: 1,429,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,907.72 : 2,332,249.67 = 1,037,321.88 : x
  2. Step 2: Convert to fraction form
    1,691,907.72/2,332,249.67 = 1,037,321.88/x
  3. Step 3: Cross multiply
    1,691,907.72x = 2,332,249.67 × 1,037,321.88
  4. Step 4: Simplify right side
    1,691,907.72x = 2,419,293,612,313.78
  5. Step 5: Solve for x
    x = 2,419,293,612,313.78/1,691,907.72
  6. Step 6: Final answer
    x = 1,429,920.55

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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.