Home / 981,132.80-1,470,532.80-880,822.40

Finding the Fourth Proportional to 981,132.80, 1,470,532.80 and 880,822.40

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Solution

The fourth proportional to 981,132.80, 1,470,532.80 and 880,822.40 is: 1,320,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,132.80 : 1,470,532.80 = 880,822.40 : x
  2. Step 2: Convert to fraction form
    981,132.80/1,470,532.80 = 880,822.40/x
  3. Step 3: Cross multiply
    981,132.80x = 1,470,532.80 × 880,822.40
  4. Step 4: Simplify right side
    981,132.80x = 1,295,278,230,174.72
  5. Step 5: Solve for x
    x = 1,295,278,230,174.72/981,132.80
  6. Step 6: Final answer
    x = 1,320,186.45

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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.