Home / 1,208,448.69-1,667,625.87-664,584.46

Finding the Fourth Proportional to 1,208,448.69, 1,667,625.87 and 664,584.46

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Solution

The fourth proportional to 1,208,448.69, 1,667,625.87 and 664,584.46 is: 917,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,448.69 : 1,667,625.87 = 664,584.46 : x
  2. Step 2: Convert to fraction form
    1,208,448.69/1,667,625.87 = 664,584.46/x
  3. Step 3: Cross multiply
    1,208,448.69x = 1,667,625.87 × 664,584.46
  4. Step 4: Simplify right side
    1,208,448.69x = 1,108,278,245,999.50
  5. Step 5: Solve for x
    x = 1,108,278,245,999.50/1,208,448.69
  6. Step 6: Final answer
    x = 917,108.24

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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.