Home / 1,235,704.80-1,855,112.40-667,538.40

Finding the Fourth Proportional to 1,235,704.80, 1,855,112.40 and 667,538.40

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Solution

The fourth proportional to 1,235,704.80, 1,855,112.40 and 667,538.40 is: 1,002,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,704.80 : 1,855,112.40 = 667,538.40 : x
  2. Step 2: Convert to fraction form
    1,235,704.80/1,855,112.40 = 667,538.40/x
  3. Step 3: Cross multiply
    1,235,704.80x = 1,855,112.40 × 667,538.40
  4. Step 4: Simplify right side
    1,235,704.80x = 1,238,358,763,316.16
  5. Step 5: Solve for x
    x = 1,238,358,763,316.16/1,235,704.80
  6. Step 6: Final answer
    x = 1,002,147.73

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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.