Home / 1,214,240.20-1,675,642.42-670,375.88

Finding the Fourth Proportional to 1,214,240.20, 1,675,642.42 and 670,375.88

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Solution

The fourth proportional to 1,214,240.20, 1,675,642.42 and 670,375.88 is: 925,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,240.20 : 1,675,642.42 = 670,375.88 : x
  2. Step 2: Convert to fraction form
    1,214,240.20/1,675,642.42 = 670,375.88/x
  3. Step 3: Cross multiply
    1,214,240.20x = 1,675,642.42 × 670,375.88
  4. Step 4: Simplify right side
    1,214,240.20x = 1,123,310,261,872.83
  5. Step 5: Solve for x
    x = 1,123,310,261,872.83/1,214,240.20
  6. Step 6: Final answer
    x = 925,113.71

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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.