Home / 1,208,658.07-1,667,951.46-664,849.57

Finding the Fourth Proportional to 1,208,658.07, 1,667,951.46 and 664,849.57

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Solution

The fourth proportional to 1,208,658.07, 1,667,951.46 and 664,849.57 is: 917,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,658.07 : 1,667,951.46 = 664,849.57 : x
  2. Step 2: Convert to fraction form
    1,208,658.07/1,667,951.46 = 664,849.57/x
  3. Step 3: Cross multiply
    1,208,658.07x = 1,667,951.46 × 664,849.57
  4. Step 4: Simplify right side
    1,208,658.07x = 1,108,936,810,961.87
  5. Step 5: Solve for x
    x = 1,108,936,810,961.87/1,208,658.07
  6. Step 6: Final answer
    x = 917,494.23

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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.