Home / 1,815,712.20-2,722,912.20-735,771.60

Finding the Fourth Proportional to 1,815,712.20, 2,722,912.20 and 735,771.60

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Solution

The fourth proportional to 1,815,712.20, 2,722,912.20 and 735,771.60 is: 1,103,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,712.20 : 2,722,912.20 = 735,771.60 : x
  2. Step 2: Convert to fraction form
    1,815,712.20/2,722,912.20 = 735,771.60/x
  3. Step 3: Cross multiply
    1,815,712.20x = 2,722,912.20 × 735,771.60
  4. Step 4: Simplify right side
    1,815,712.20x = 2,003,441,466,053.52
  5. Step 5: Solve for x
    x = 2,003,441,466,053.52/1,815,712.20
  6. Step 6: Final answer
    x = 1,103,391.53

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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.