Home / 1,789,131-2,469,000.78-984,297.72

Finding the Fourth Proportional to 1,789,131, 2,469,000.78 and 984,297.72

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Solution

The fourth proportional to 1,789,131, 2,469,000.78 and 984,297.72 is: 1,358,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,131 : 2,469,000.78 = 984,297.72 : x
  2. Step 2: Convert to fraction form
    1,789,131/2,469,000.78 = 984,297.72/x
  3. Step 3: Cross multiply
    1,789,131x = 2,469,000.78 × 984,297.72
  4. Step 4: Simplify right side
    1,789,131x = 2,430,231,838,432.22
  5. Step 5: Solve for x
    x = 2,430,231,838,432.22/1,789,131
  6. Step 6: Final answer
    x = 1,358,330.85

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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.