Home / 1,200,747.37-1,801,828.23-443,121.97

Finding the Fourth Proportional to 1,200,747.37, 1,801,828.23 and 443,121.97

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Solution

The fourth proportional to 1,200,747.37, 1,801,828.23 and 443,121.97 is: 664,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,747.37 : 1,801,828.23 = 443,121.97 : x
  2. Step 2: Convert to fraction form
    1,200,747.37/1,801,828.23 = 443,121.97/x
  3. Step 3: Cross multiply
    1,200,747.37x = 1,801,828.23 × 443,121.97
  4. Step 4: Simplify right side
    1,200,747.37x = 798,429,670,374.64
  5. Step 5: Solve for x
    x = 798,429,670,374.64/1,200,747.37
  6. Step 6: Final answer
    x = 664,943.93

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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.