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Finding the Fourth Proportional to 1,197,409.92, 1,793,561.22 and 968,724.24

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Solution

The fourth proportional to 1,197,409.92, 1,793,561.22 and 968,724.24 is: 1,451,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,409.92 : 1,793,561.22 = 968,724.24 : x
  2. Step 2: Convert to fraction form
    1,197,409.92/1,793,561.22 = 968,724.24/x
  3. Step 3: Cross multiply
    1,197,409.92x = 1,793,561.22 × 968,724.24
  4. Step 4: Simplify right side
    1,197,409.92x = 1,737,466,229,737.97
  5. Step 5: Solve for x
    x = 1,737,466,229,737.97/1,197,409.92
  6. Step 6: Final answer
    x = 1,451,020.41

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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.