Home / 1,702,872.72-2,350,304.64-978,217.56

Finding the Fourth Proportional to 1,702,872.72, 2,350,304.64 and 978,217.56

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Solution

The fourth proportional to 1,702,872.72, 2,350,304.64 and 978,217.56 is: 1,350,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,872.72 : 2,350,304.64 = 978,217.56 : x
  2. Step 2: Convert to fraction form
    1,702,872.72/2,350,304.64 = 978,217.56/x
  3. Step 3: Cross multiply
    1,702,872.72x = 2,350,304.64 × 978,217.56
  4. Step 4: Simplify right side
    1,702,872.72x = 2,299,109,270,197.48
  5. Step 5: Solve for x
    x = 2,299,109,270,197.48/1,702,872.72
  6. Step 6: Final answer
    x = 1,350,135.71

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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.