Home / 787,974.20-1,180,211.70-648,006.20

Finding the Fourth Proportional to 787,974.20, 1,180,211.70 and 648,006.20

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Solution

The fourth proportional to 787,974.20, 1,180,211.70 and 648,006.20 is: 970,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,974.20 : 1,180,211.70 = 648,006.20 : x
  2. Step 2: Convert to fraction form
    787,974.20/1,180,211.70 = 648,006.20/x
  3. Step 3: Cross multiply
    787,974.20x = 1,180,211.70 × 648,006.20
  4. Step 4: Simplify right side
    787,974.20x = 764,784,498,912.54
  5. Step 5: Solve for x
    x = 764,784,498,912.54/787,974.20
  6. Step 6: Final answer
    x = 970,570.48

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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.