Home / 1,208,711.84-1,667,987.52-664,847.60

Finding the Fourth Proportional to 1,208,711.84, 1,667,987.52 and 664,847.60

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Solution

The fourth proportional to 1,208,711.84, 1,667,987.52 and 664,847.60 is: 917,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,711.84 : 1,667,987.52 = 664,847.60 : x
  2. Step 2: Convert to fraction form
    1,208,711.84/1,667,987.52 = 664,847.60/x
  3. Step 3: Cross multiply
    1,208,711.84x = 1,667,987.52 × 664,847.60
  4. Step 4: Simplify right side
    1,208,711.84x = 1,108,957,499,501.95
  5. Step 5: Solve for x
    x = 1,108,957,499,501.95/1,208,711.84
  6. Step 6: Final answer
    x = 917,470.54

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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.