Home / 1,277,794.20-1,763,600.94-768,660.60

Finding the Fourth Proportional to 1,277,794.20, 1,763,600.94 and 768,660.60

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Solution

The fourth proportional to 1,277,794.20, 1,763,600.94 and 768,660.60 is: 1,060,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,794.20 : 1,763,600.94 = 768,660.60 : x
  2. Step 2: Convert to fraction form
    1,277,794.20/1,763,600.94 = 768,660.60/x
  3. Step 3: Cross multiply
    1,277,794.20x = 1,763,600.94 × 768,660.60
  4. Step 4: Simplify right side
    1,277,794.20x = 1,355,610,556,700.96
  5. Step 5: Solve for x
    x = 1,355,610,556,700.96/1,277,794.20
  6. Step 6: Final answer
    x = 1,060,898.97

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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.