Home / 981,192.80-1,471,011.60-537,960.80

Finding the Fourth Proportional to 981,192.80, 1,471,011.60 and 537,960.80

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Solution

The fourth proportional to 981,192.80, 1,471,011.60 and 537,960.80 is: 806,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,192.80 : 1,471,011.60 = 537,960.80 : x
  2. Step 2: Convert to fraction form
    981,192.80/1,471,011.60 = 537,960.80/x
  3. Step 3: Cross multiply
    981,192.80x = 1,471,011.60 × 537,960.80
  4. Step 4: Simplify right side
    981,192.80x = 791,346,577,145.28
  5. Step 5: Solve for x
    x = 791,346,577,145.28/981,192.80
  6. Step 6: Final answer
    x = 806,514.86

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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.