Home / 2,792,630.05-4,188,861.36-770,997.31

Finding the Fourth Proportional to 2,792,630.05, 4,188,861.36 and 770,997.31

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Solution

The fourth proportional to 2,792,630.05, 4,188,861.36 and 770,997.31 is: 1,156,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,630.05 : 4,188,861.36 = 770,997.31 : x
  2. Step 2: Convert to fraction form
    2,792,630.05/4,188,861.36 = 770,997.31/x
  3. Step 3: Cross multiply
    2,792,630.05x = 4,188,861.36 × 770,997.31
  4. Step 4: Simplify right side
    2,792,630.05x = 3,229,600,830,050.79
  5. Step 5: Solve for x
    x = 3,229,600,830,050.79/2,792,630.05
  6. Step 6: Final answer
    x = 1,156,472.85

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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.