Home / 1,336,928.80-2,005,652.40-672,080.80

Finding the Fourth Proportional to 1,336,928.80, 2,005,652.40 and 672,080.80

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Solution

The fourth proportional to 1,336,928.80, 2,005,652.40 and 672,080.80 is: 1,008,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,928.80 : 2,005,652.40 = 672,080.80 : x
  2. Step 2: Convert to fraction form
    1,336,928.80/2,005,652.40 = 672,080.80/x
  3. Step 3: Cross multiply
    1,336,928.80x = 2,005,652.40 × 672,080.80
  4. Step 4: Simplify right side
    1,336,928.80x = 1,347,960,469,513.92
  5. Step 5: Solve for x
    x = 1,347,960,469,513.92/1,336,928.80
  6. Step 6: Final answer
    x = 1,008,251.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.