Home / 756,921.96-1,136,170.26-557,467.56

Finding the Fourth Proportional to 756,921.96, 1,136,170.26 and 557,467.56

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Solution

The fourth proportional to 756,921.96, 1,136,170.26 and 557,467.56 is: 836,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,921.96 : 1,136,170.26 = 557,467.56 : x
  2. Step 2: Convert to fraction form
    756,921.96/1,136,170.26 = 557,467.56/x
  3. Step 3: Cross multiply
    756,921.96x = 1,136,170.26 × 557,467.56
  4. Step 4: Simplify right side
    756,921.96x = 633,378,062,586.77
  5. Step 5: Solve for x
    x = 633,378,062,586.77/756,921.96
  6. Step 6: Final answer
    x = 836,781.20

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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.