Home / 1,200,750.12-1,801,832.36-443,124.72

Finding the Fourth Proportional to 1,200,750.12, 1,801,832.36 and 443,124.72

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Solution

The fourth proportional to 1,200,750.12, 1,801,832.36 and 443,124.72 is: 664,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,750.12 : 1,801,832.36 = 443,124.72 : x
  2. Step 2: Convert to fraction form
    1,200,750.12/1,801,832.36 = 443,124.72/x
  3. Step 3: Cross multiply
    1,200,750.12x = 1,801,832.36 × 443,124.72
  4. Step 4: Simplify right side
    1,200,750.12x = 798,436,460,011.94
  5. Step 5: Solve for x
    x = 798,436,460,011.94/1,200,750.12
  6. Step 6: Final answer
    x = 664,948.06

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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.