Home / 1,208,133.83-1,667,179.87-664,237.26

Finding the Fourth Proportional to 1,208,133.83, 1,667,179.87 and 664,237.26

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Solution

The fourth proportional to 1,208,133.83, 1,667,179.87 and 664,237.26 is: 916,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,133.83 : 1,667,179.87 = 664,237.26 : x
  2. Step 2: Convert to fraction form
    1,208,133.83/1,667,179.87 = 664,237.26/x
  3. Step 3: Cross multiply
    1,208,133.83x = 1,667,179.87 × 664,237.26
  4. Step 4: Simplify right side
    1,208,133.83x = 1,107,402,987,115.36
  5. Step 5: Solve for x
    x = 1,107,402,987,115.36/1,208,133.83
  6. Step 6: Final answer
    x = 916,622.78

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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.