Home / 1,155,940.30-1,733,910.45-408,061.90

Finding the Fourth Proportional to 1,155,940.30, 1,733,910.45 and 408,061.90

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Solution

The fourth proportional to 1,155,940.30, 1,733,910.45 and 408,061.90 is: 612,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,940.30 : 1,733,910.45 = 408,061.90 : x
  2. Step 2: Convert to fraction form
    1,155,940.30/1,733,910.45 = 408,061.90/x
  3. Step 3: Cross multiply
    1,155,940.30x = 1,733,910.45 × 408,061.90
  4. Step 4: Simplify right side
    1,155,940.30x = 707,542,792,656.86
  5. Step 5: Solve for x
    x = 707,542,792,656.86/1,155,940.30
  6. Step 6: Final answer
    x = 612,092.85

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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.