Home / 1,126,727.82-1,690,368.19-328,016.52

Finding the Fourth Proportional to 1,126,727.82, 1,690,368.19 and 328,016.52

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Solution

The fourth proportional to 1,126,727.82, 1,690,368.19 and 328,016.52 is: 492,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,727.82 : 1,690,368.19 = 328,016.52 : x
  2. Step 2: Convert to fraction form
    1,126,727.82/1,690,368.19 = 328,016.52/x
  3. Step 3: Cross multiply
    1,126,727.82x = 1,690,368.19 × 328,016.52
  4. Step 4: Simplify right side
    1,126,727.82x = 554,468,691,202.50
  5. Step 5: Solve for x
    x = 554,468,691,202.50/1,126,727.82
  6. Step 6: Final answer
    x = 492,105.26

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1.5x scale

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.