Home / 1,330,711.76-1,836,380.41-757,751.92

Finding the Fourth Proportional to 1,330,711.76, 1,836,380.41 and 757,751.92

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Solution

The fourth proportional to 1,330,711.76, 1,836,380.41 and 757,751.92 is: 1,045,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,711.76 : 1,836,380.41 = 757,751.92 : x
  2. Step 2: Convert to fraction form
    1,330,711.76/1,836,380.41 = 757,751.92/x
  3. Step 3: Cross multiply
    1,330,711.76x = 1,836,380.41 × 757,751.92
  4. Step 4: Simplify right side
    1,330,711.76x = 1,391,520,775,042.56
  5. Step 5: Solve for x
    x = 1,391,520,775,042.56/1,330,711.76
  6. Step 6: Final answer
    x = 1,045,696.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.