Home / 814,910.45-1,222,529.70-682,706.30

Finding the Fourth Proportional to 814,910.45, 1,222,529.70 and 682,706.30

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Solution

The fourth proportional to 814,910.45, 1,222,529.70 and 682,706.30 is: 1,024,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,910.45 : 1,222,529.70 = 682,706.30 : x
  2. Step 2: Convert to fraction form
    814,910.45/1,222,529.70 = 682,706.30/x
  3. Step 3: Cross multiply
    814,910.45x = 1,222,529.70 × 682,706.30
  4. Step 4: Simplify right side
    814,910.45x = 834,628,728,127.11
  5. Step 5: Solve for x
    x = 834,628,728,127.11/814,910.45
  6. Step 6: Final answer
    x = 1,024,196.86

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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.