Home / 1,099,951.20-1,515,093.30-777,100.86

Finding the Fourth Proportional to 1,099,951.20, 1,515,093.30 and 777,100.86

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Solution

The fourth proportional to 1,099,951.20, 1,515,093.30 and 777,100.86 is: 1,070,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,951.20 : 1,515,093.30 = 777,100.86 : x
  2. Step 2: Convert to fraction form
    1,099,951.20/1,515,093.30 = 777,100.86/x
  3. Step 3: Cross multiply
    1,099,951.20x = 1,515,093.30 × 777,100.86
  4. Step 4: Simplify right side
    1,099,951.20x = 1,177,380,306,410.24
  5. Step 5: Solve for x
    x = 1,177,380,306,410.24/1,099,951.20
  6. Step 6: Final answer
    x = 1,070,393.22

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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.