Home / 1,101,576.06-1,520,230.26-688,362.42

Finding the Fourth Proportional to 1,101,576.06, 1,520,230.26 and 688,362.42

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Solution

The fourth proportional to 1,101,576.06, 1,520,230.26 and 688,362.42 is: 949,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,576.06 : 1,520,230.26 = 688,362.42 : x
  2. Step 2: Convert to fraction form
    1,101,576.06/1,520,230.26 = 688,362.42/x
  3. Step 3: Cross multiply
    1,101,576.06x = 1,520,230.26 × 688,362.42
  4. Step 4: Simplify right side
    1,101,576.06x = 1,046,469,380,730.83
  5. Step 5: Solve for x
    x = 1,046,469,380,730.83/1,101,576.06
  6. Step 6: Final answer
    x = 949,974.69

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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.