Home / 1,207,136.52-1,665,110.26-716,773.64

Finding the Fourth Proportional to 1,207,136.52, 1,665,110.26 and 716,773.64

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Solution

The fourth proportional to 1,207,136.52, 1,665,110.26 and 716,773.64 is: 988,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,136.52 : 1,665,110.26 = 716,773.64 : x
  2. Step 2: Convert to fraction form
    1,207,136.52/1,665,110.26 = 716,773.64/x
  3. Step 3: Cross multiply
    1,207,136.52x = 1,665,110.26 × 716,773.64
  4. Step 4: Simplify right side
    1,207,136.52x = 1,193,507,142,061.55
  5. Step 5: Solve for x
    x = 1,193,507,142,061.55/1,207,136.52
  6. Step 6: Final answer
    x = 988,709.33

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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.