Home / 1,030,330.56-1,420,620.48-667,622.04

Finding the Fourth Proportional to 1,030,330.56, 1,420,620.48 and 667,622.04

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Solution

The fourth proportional to 1,030,330.56, 1,420,620.48 and 667,622.04 is: 920,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,330.56 : 1,420,620.48 = 667,622.04 : x
  2. Step 2: Convert to fraction form
    1,030,330.56/1,420,620.48 = 667,622.04/x
  3. Step 3: Cross multiply
    1,030,330.56x = 1,420,620.48 × 667,622.04
  4. Step 4: Simplify right side
    1,030,330.56x = 948,437,542,923.38
  5. Step 5: Solve for x
    x = 948,437,542,923.38/1,030,330.56
  6. Step 6: Final answer
    x = 920,517.72

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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.