Home / 981,333.80-1,377,016.60-981,333.80

Finding the Fourth Proportional to 981,333.80, 1,377,016.60 and 981,333.80

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Solution

The fourth proportional to 981,333.80, 1,377,016.60 and 981,333.80 is: 1,377,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,333.80 : 1,377,016.60 = 981,333.80 : x
  2. Step 2: Convert to fraction form
    981,333.80/1,377,016.60 = 981,333.80/x
  3. Step 3: Cross multiply
    981,333.80x = 1,377,016.60 × 981,333.80
  4. Step 4: Simplify right side
    981,333.80x = 1,351,312,932,741.08
  5. Step 5: Solve for x
    x = 1,351,312,932,741.08/981,333.80
  6. Step 6: Final answer
    x = 1,377,016.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.