Home / 1,222,578.20-1,831,481.62-800,574.68

Finding the Fourth Proportional to 1,222,578.20, 1,831,481.62 and 800,574.68

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Solution

The fourth proportional to 1,222,578.20, 1,831,481.62 and 800,574.68 is: 1,199,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,578.20 : 1,831,481.62 = 800,574.68 : x
  2. Step 2: Convert to fraction form
    1,222,578.20/1,831,481.62 = 800,574.68/x
  3. Step 3: Cross multiply
    1,222,578.20x = 1,831,481.62 × 800,574.68
  4. Step 4: Simplify right side
    1,222,578.20x = 1,466,237,811,857.38
  5. Step 5: Solve for x
    x = 1,466,237,811,857.38/1,222,578.20
  6. Step 6: Final answer
    x = 1,199,299.82

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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.