Home / 1,126,727.32-1,690,367.44-328,016.02

Finding the Fourth Proportional to 1,126,727.32, 1,690,367.44 and 328,016.02

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Solution

The fourth proportional to 1,126,727.32, 1,690,367.44 and 328,016.02 is: 492,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,727.32 : 1,690,367.44 = 328,016.02 : x
  2. Step 2: Convert to fraction form
    1,126,727.32/1,690,367.44 = 328,016.02/x
  3. Step 3: Cross multiply
    1,126,727.32x = 1,690,367.44 × 328,016.02
  4. Step 4: Simplify right side
    1,126,727.32x = 554,467,600,006.39
  5. Step 5: Solve for x
    x = 554,467,600,006.39/1,126,727.32
  6. Step 6: Final answer
    x = 492,104.51

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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.