Home / 1,235,786.10-1,853,679.15-1,178,049.30

Finding the Fourth Proportional to 1,235,786.10, 1,853,679.15 and 1,178,049.30

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Solution

The fourth proportional to 1,235,786.10, 1,853,679.15 and 1,178,049.30 is: 1,767,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,786.10 : 1,853,679.15 = 1,178,049.30 : x
  2. Step 2: Convert to fraction form
    1,235,786.10/1,853,679.15 = 1,178,049.30/x
  3. Step 3: Cross multiply
    1,235,786.10x = 1,853,679.15 × 1,178,049.30
  4. Step 4: Simplify right side
    1,235,786.10x = 2,183,725,425,082.10
  5. Step 5: Solve for x
    x = 2,183,725,425,082.10/1,235,786.10
  6. Step 6: Final answer
    x = 1,767,073.95

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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.