Home / 823,713.96-1,136,139.15-755,949.81

Finding the Fourth Proportional to 823,713.96, 1,136,139.15 and 755,949.81

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Solution

The fourth proportional to 823,713.96, 1,136,139.15 and 755,949.81 is: 1,042,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,713.96 : 1,136,139.15 = 755,949.81 : x
  2. Step 2: Convert to fraction form
    823,713.96/1,136,139.15 = 755,949.81/x
  3. Step 3: Cross multiply
    823,713.96x = 1,136,139.15 × 755,949.81
  4. Step 4: Simplify right side
    823,713.96x = 858,864,174,576.06
  5. Step 5: Solve for x
    x = 858,864,174,576.06/823,713.96
  6. Step 6: Final answer
    x = 1,042,672.84

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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.