Home / 1,329,864.90-1,996,050.15-699,231.30

Finding the Fourth Proportional to 1,329,864.90, 1,996,050.15 and 699,231.30

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Solution

The fourth proportional to 1,329,864.90, 1,996,050.15 and 699,231.30 is: 1,049,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,864.90 : 1,996,050.15 = 699,231.30 : x
  2. Step 2: Convert to fraction form
    1,329,864.90/1,996,050.15 = 699,231.30/x
  3. Step 3: Cross multiply
    1,329,864.90x = 1,996,050.15 × 699,231.30
  4. Step 4: Simplify right side
    1,329,864.90x = 1,395,700,741,249.70
  5. Step 5: Solve for x
    x = 1,395,700,741,249.70/1,329,864.90
  6. Step 6: Final answer
    x = 1,049,505.66

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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.