Home / 1,131,100.80-1,696,523.52-289,658.88

Finding the Fourth Proportional to 1,131,100.80, 1,696,523.52 and 289,658.88

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Solution

The fourth proportional to 1,131,100.80, 1,696,523.52 and 289,658.88 is: 434,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,100.80 : 1,696,523.52 = 289,658.88 : x
  2. Step 2: Convert to fraction form
    1,131,100.80/1,696,523.52 = 289,658.88/x
  3. Step 3: Cross multiply
    1,131,100.80x = 1,696,523.52 × 289,658.88
  4. Step 4: Simplify right side
    1,131,100.80x = 491,413,102,696.86
  5. Step 5: Solve for x
    x = 491,413,102,696.86/1,131,100.80
  6. Step 6: Final answer
    x = 434,455.62

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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.