Home / 823,642.05-1,136,040.09-755,877.86

Finding the Fourth Proportional to 823,642.05, 1,136,040.09 and 755,877.86

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Solution

The fourth proportional to 823,642.05, 1,136,040.09 and 755,877.86 is: 1,042,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,642.05 : 1,136,040.09 = 755,877.86 : x
  2. Step 2: Convert to fraction form
    823,642.05/1,136,040.09 = 755,877.86/x
  3. Step 3: Cross multiply
    823,642.05x = 1,136,040.09 × 755,877.86
  4. Step 4: Simplify right side
    823,642.05x = 858,707,546,423.21
  5. Step 5: Solve for x
    x = 858,707,546,423.21/823,642.05
  6. Step 6: Final answer
    x = 1,042,573.71

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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.