Home / 1,821,389.70-2,732,217.15-699,458.70

Finding the Fourth Proportional to 1,821,389.70, 2,732,217.15 and 699,458.70

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Solution

The fourth proportional to 1,821,389.70, 2,732,217.15 and 699,458.70 is: 1,049,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,389.70 : 2,732,217.15 = 699,458.70 : x
  2. Step 2: Convert to fraction form
    1,821,389.70/2,732,217.15 = 699,458.70/x
  3. Step 3: Cross multiply
    1,821,389.70x = 2,732,217.15 × 699,458.70
  4. Step 4: Simplify right side
    1,821,389.70x = 1,911,073,055,856.70
  5. Step 5: Solve for x
    x = 1,911,073,055,856.70/1,821,389.70
  6. Step 6: Final answer
    x = 1,049,238.97

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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.