Home / 892,018.98-1,230,350.24-818,667.64

Finding the Fourth Proportional to 892,018.98, 1,230,350.24 and 818,667.64

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Solution

The fourth proportional to 892,018.98, 1,230,350.24 and 818,667.64 is: 1,129,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,018.98 : 1,230,350.24 = 818,667.64 : x
  2. Step 2: Convert to fraction form
    892,018.98/1,230,350.24 = 818,667.64/x
  3. Step 3: Cross multiply
    892,018.98x = 1,230,350.24 × 818,667.64
  4. Step 4: Simplify right side
    892,018.98x = 1,007,247,930,938.84
  5. Step 5: Solve for x
    x = 1,007,247,930,938.84/892,018.98
  6. Step 6: Final answer
    x = 1,129,177.69

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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.