Home / 1,208,179.52-1,667,245.05-664,311.50

Finding the Fourth Proportional to 1,208,179.52, 1,667,245.05 and 664,311.50

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Solution

The fourth proportional to 1,208,179.52, 1,667,245.05 and 664,311.50 is: 916,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,179.52 : 1,667,245.05 = 664,311.50 : x
  2. Step 2: Convert to fraction form
    1,208,179.52/1,667,245.05 = 664,311.50/x
  3. Step 3: Cross multiply
    1,208,179.52x = 1,667,245.05 × 664,311.50
  4. Step 4: Simplify right side
    1,208,179.52x = 1,107,570,060,033.08
  5. Step 5: Solve for x
    x = 1,107,570,060,033.08/1,208,179.52
  6. Step 6: Final answer
    x = 916,726.40

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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.