Home / 1,200,752.12-1,801,835.36-443,126.72

Finding the Fourth Proportional to 1,200,752.12, 1,801,835.36 and 443,126.72

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Solution

The fourth proportional to 1,200,752.12, 1,801,835.36 and 443,126.72 is: 664,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,752.12 : 1,801,835.36 = 443,126.72 : x
  2. Step 2: Convert to fraction form
    1,200,752.12/1,801,835.36 = 443,126.72/x
  3. Step 3: Cross multiply
    1,200,752.12x = 1,801,835.36 × 443,126.72
  4. Step 4: Simplify right side
    1,200,752.12x = 798,441,393,056.82
  5. Step 5: Solve for x
    x = 798,441,393,056.82/1,200,752.12
  6. Step 6: Final answer
    x = 664,951.06

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1.5x scale

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.