Home / 1,255,136.50-1,732,082.24-682,176.72

Finding the Fourth Proportional to 1,255,136.50, 1,732,082.24 and 682,176.72

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Solution

The fourth proportional to 1,255,136.50, 1,732,082.24 and 682,176.72 is: 941,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,136.50 : 1,732,082.24 = 682,176.72 : x
  2. Step 2: Convert to fraction form
    1,255,136.50/1,732,082.24 = 682,176.72/x
  3. Step 3: Cross multiply
    1,255,136.50x = 1,732,082.24 × 682,176.72
  4. Step 4: Simplify right side
    1,255,136.50x = 1,181,586,181,253.45
  5. Step 5: Solve for x
    x = 1,181,586,181,253.45/1,255,136.50
  6. Step 6: Final answer
    x = 941,400.54

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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.