Home / 1,207,986.24-1,667,032.22-664,125.85

Finding the Fourth Proportional to 1,207,986.24, 1,667,032.22 and 664,125.85

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Solution

The fourth proportional to 1,207,986.24, 1,667,032.22 and 664,125.85 is: 916,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,986.24 : 1,667,032.22 = 664,125.85 : x
  2. Step 2: Convert to fraction form
    1,207,986.24/1,667,032.22 = 664,125.85/x
  3. Step 3: Cross multiply
    1,207,986.24x = 1,667,032.22 × 664,125.85
  4. Step 4: Simplify right side
    1,207,986.24x = 1,107,119,190,084.89
  5. Step 5: Solve for x
    x = 1,107,119,190,084.89/1,207,986.24
  6. Step 6: Final answer
    x = 916,499.84

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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.