Home / 1,200,748.88-1,801,830.48-443,123.48

Finding the Fourth Proportional to 1,200,748.88, 1,801,830.48 and 443,123.48

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Solution

The fourth proportional to 1,200,748.88, 1,801,830.48 and 443,123.48 is: 664,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,748.88 : 1,801,830.48 = 443,123.48 : x
  2. Step 2: Convert to fraction form
    1,200,748.88/1,801,830.48 = 443,123.48/x
  3. Step 3: Cross multiply
    1,200,748.88x = 1,801,830.48 × 443,123.48
  4. Step 4: Simplify right side
    1,200,748.88x = 798,433,383,658.52
  5. Step 5: Solve for x
    x = 798,433,383,658.52/1,200,748.88
  6. Step 6: Final answer
    x = 664,946.19

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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.