Home / 823,685.09-1,136,099.52-755,920.89

Finding the Fourth Proportional to 823,685.09, 1,136,099.52 and 755,920.89

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Solution

The fourth proportional to 823,685.09, 1,136,099.52 and 755,920.89 is: 1,042,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,685.09 : 1,136,099.52 = 755,920.89 : x
  2. Step 2: Convert to fraction form
    823,685.09/1,136,099.52 = 755,920.89/x
  3. Step 3: Cross multiply
    823,685.09x = 1,136,099.52 × 755,920.89
  4. Step 4: Simplify right side
    823,685.09x = 858,801,360,286.97
  5. Step 5: Solve for x
    x = 858,801,360,286.97/823,685.09
  6. Step 6: Final answer
    x = 1,042,633.13

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1.5x scale

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.