Home / 1,222,688.70-1,834,114.05-324,117.90

Finding the Fourth Proportional to 1,222,688.70, 1,834,114.05 and 324,117.90

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Solution

The fourth proportional to 1,222,688.70, 1,834,114.05 and 324,117.90 is: 486,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,688.70 : 1,834,114.05 = 324,117.90 : x
  2. Step 2: Convert to fraction form
    1,222,688.70/1,834,114.05 = 324,117.90/x
  3. Step 3: Cross multiply
    1,222,688.70x = 1,834,114.05 × 324,117.90
  4. Step 4: Simplify right side
    1,222,688.70x = 594,469,194,246.50
  5. Step 5: Solve for x
    x = 594,469,194,246.50/1,222,688.70
  6. Step 6: Final answer
    x = 486,198.32

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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.