Home / 1,026,974.12-1,540,601.30-427,795.15

Finding the Fourth Proportional to 1,026,974.12, 1,540,601.30 and 427,795.15

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Solution

The fourth proportional to 1,026,974.12, 1,540,601.30 and 427,795.15 is: 641,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,974.12 : 1,540,601.30 = 427,795.15 : x
  2. Step 2: Convert to fraction form
    1,026,974.12/1,540,601.30 = 427,795.15/x
  3. Step 3: Cross multiply
    1,026,974.12x = 1,540,601.30 × 427,795.15
  4. Step 4: Simplify right side
    1,026,974.12x = 659,061,764,223.70
  5. Step 5: Solve for x
    x = 659,061,764,223.70/1,026,974.12
  6. Step 6: Final answer
    x = 641,751.09

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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.