Home / 1,788,082.40-2,467,540.38-972,286.58

Finding the Fourth Proportional to 1,788,082.40, 2,467,540.38 and 972,286.58

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Solution

The fourth proportional to 1,788,082.40, 2,467,540.38 and 972,286.58 is: 1,341,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,082.40 : 2,467,540.38 = 972,286.58 : x
  2. Step 2: Convert to fraction form
    1,788,082.40/2,467,540.38 = 972,286.58/x
  3. Step 3: Cross multiply
    1,788,082.40x = 2,467,540.38 × 972,286.58
  4. Step 4: Simplify right side
    1,788,082.40x = 2,399,156,397,082.10
  5. Step 5: Solve for x
    x = 2,399,156,397,082.10/1,788,082.40
  6. Step 6: Final answer
    x = 1,341,748.23

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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.