Home / 942,964.40-1,412,891.40-809,217.20

Finding the Fourth Proportional to 942,964.40, 1,412,891.40 and 809,217.20

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Solution

The fourth proportional to 942,964.40, 1,412,891.40 and 809,217.20 is: 1,212,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,964.40 : 1,412,891.40 = 809,217.20 : x
  2. Step 2: Convert to fraction form
    942,964.40/1,412,891.40 = 809,217.20/x
  3. Step 3: Cross multiply
    942,964.40x = 1,412,891.40 × 809,217.20
  4. Step 4: Simplify right side
    942,964.40x = 1,143,336,022,612.08
  5. Step 5: Solve for x
    x = 1,143,336,022,612.08/942,964.40
  6. Step 6: Final answer
    x = 1,212,491.18

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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.