Home / 1,214,453.76-1,821,676.80-327,989.76

Finding the Fourth Proportional to 1,214,453.76, 1,821,676.80 and 327,989.76

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Solution

The fourth proportional to 1,214,453.76, 1,821,676.80 and 327,989.76 is: 491,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,453.76 : 1,821,676.80 = 327,989.76 : x
  2. Step 2: Convert to fraction form
    1,214,453.76/1,821,676.80 = 327,989.76/x
  3. Step 3: Cross multiply
    1,214,453.76x = 1,821,676.80 × 327,989.76
  4. Step 4: Simplify right side
    1,214,453.76x = 597,491,336,429.57
  5. Step 5: Solve for x
    x = 597,491,336,429.57/1,214,453.76
  6. Step 6: Final answer
    x = 491,983.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.