Home / 1,107,910.20-1,661,865.76-855,559.56

Finding the Fourth Proportional to 1,107,910.20, 1,661,865.76 and 855,559.56

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Solution

The fourth proportional to 1,107,910.20, 1,661,865.76 and 855,559.56 is: 1,283,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,910.20 : 1,661,865.76 = 855,559.56 : x
  2. Step 2: Convert to fraction form
    1,107,910.20/1,661,865.76 = 855,559.56/x
  3. Step 3: Cross multiply
    1,107,910.20x = 1,661,865.76 × 855,559.56
  4. Step 4: Simplify right side
    1,107,910.20x = 1,421,825,145,706.11
  5. Step 5: Solve for x
    x = 1,421,825,145,706.11/1,107,910.20
  6. Step 6: Final answer
    x = 1,283,339.70

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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.