Home / 1,214,246.20-1,675,650.68-670,381.88

Finding the Fourth Proportional to 1,214,246.20, 1,675,650.68 and 670,381.88

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Solution

The fourth proportional to 1,214,246.20, 1,675,650.68 and 670,381.88 is: 925,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,246.20 : 1,675,650.68 = 670,381.88 : x
  2. Step 2: Convert to fraction form
    1,214,246.20/1,675,650.68 = 670,381.88/x
  3. Step 3: Cross multiply
    1,214,246.20x = 1,675,650.68 × 670,381.88
  4. Step 4: Simplify right side
    1,214,246.20x = 1,123,325,853,081.68
  5. Step 5: Solve for x
    x = 1,123,325,853,081.68/1,214,246.20
  6. Step 6: Final answer
    x = 925,121.98

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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.