Home / 1,131,847-1,562,170.74-648,735.95

Finding the Fourth Proportional to 1,131,847, 1,562,170.74 and 648,735.95

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Solution

The fourth proportional to 1,131,847, 1,562,170.74 and 648,735.95 is: 895,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,847 : 1,562,170.74 = 648,735.95 : x
  2. Step 2: Convert to fraction form
    1,131,847/1,562,170.74 = 648,735.95/x
  3. Step 3: Cross multiply
    1,131,847x = 1,562,170.74 × 648,735.95
  4. Step 4: Simplify right side
    1,131,847x = 1,013,436,319,076.10
  5. Step 5: Solve for x
    x = 1,013,436,319,076.10/1,131,847
  6. Step 6: Final answer
    x = 895,382.79

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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.