Home / 1,329,676.29-1,995,630.30-690,372.45

Finding the Fourth Proportional to 1,329,676.29, 1,995,630.30 and 690,372.45

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Solution

The fourth proportional to 1,329,676.29, 1,995,630.30 and 690,372.45 is: 1,036,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,676.29 : 1,995,630.30 = 690,372.45 : x
  2. Step 2: Convert to fraction form
    1,329,676.29/1,995,630.30 = 690,372.45/x
  3. Step 3: Cross multiply
    1,329,676.29x = 1,995,630.30 × 690,372.45
  4. Step 4: Simplify right side
    1,329,676.29x = 1,377,728,179,505.23
  5. Step 5: Solve for x
    x = 1,377,728,179,505.23/1,329,676.29
  6. Step 6: Final answer
    x = 1,036,138.04

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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.