Home / 981,010.80-1,376,564.40-981,010.80

Finding the Fourth Proportional to 981,010.80, 1,376,564.40 and 981,010.80

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Solution

The fourth proportional to 981,010.80, 1,376,564.40 and 981,010.80 is: 1,376,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,010.80 : 1,376,564.40 = 981,010.80 : x
  2. Step 2: Convert to fraction form
    981,010.80/1,376,564.40 = 981,010.80/x
  3. Step 3: Cross multiply
    981,010.80x = 1,376,564.40 × 981,010.80
  4. Step 4: Simplify right side
    981,010.80x = 1,350,424,543,295.52
  5. Step 5: Solve for x
    x = 1,350,424,543,295.52/981,010.80
  6. Step 6: Final answer
    x = 1,376,564.40

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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.