Home / 1,208,250.20-1,667,340.45-664,353.65

Finding the Fourth Proportional to 1,208,250.20, 1,667,340.45 and 664,353.65

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Solution

The fourth proportional to 1,208,250.20, 1,667,340.45 and 664,353.65 is: 916,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,250.20 : 1,667,340.45 = 664,353.65 : x
  2. Step 2: Convert to fraction form
    1,208,250.20/1,667,340.45 = 664,353.65/x
  3. Step 3: Cross multiply
    1,208,250.20x = 1,667,340.45 × 664,353.65
  4. Step 4: Simplify right side
    1,208,250.20x = 1,107,703,713,750.14
  5. Step 5: Solve for x
    x = 1,107,703,713,750.14/1,208,250.20
  6. Step 6: Final answer
    x = 916,783.39

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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.