Home / 823,644.05-1,136,042.85-755,879.86

Finding the Fourth Proportional to 823,644.05, 1,136,042.85 and 755,879.86

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Solution

The fourth proportional to 823,644.05, 1,136,042.85 and 755,879.86 is: 1,042,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,644.05 : 1,136,042.85 = 755,879.86 : x
  2. Step 2: Convert to fraction form
    823,644.05/1,136,042.85 = 755,879.86/x
  3. Step 3: Cross multiply
    823,644.05x = 1,136,042.85 × 755,879.86
  4. Step 4: Simplify right side
    823,644.05x = 858,711,910,412.00
  5. Step 5: Solve for x
    x = 858,711,910,412.00/823,644.05
  6. Step 6: Final answer
    x = 1,042,576.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.