Home / 1,764,467.28-2,646,963.36-817,933.68

Finding the Fourth Proportional to 1,764,467.28, 2,646,963.36 and 817,933.68

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Solution

The fourth proportional to 1,764,467.28, 2,646,963.36 and 817,933.68 is: 1,227,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,467.28 : 2,646,963.36 = 817,933.68 : x
  2. Step 2: Convert to fraction form
    1,764,467.28/2,646,963.36 = 817,933.68/x
  3. Step 3: Cross multiply
    1,764,467.28x = 2,646,963.36 × 817,933.68
  4. Step 4: Simplify right side
    1,764,467.28x = 2,165,040,481,869.97
  5. Step 5: Solve for x
    x = 2,165,040,481,869.97/1,764,467.28
  6. Step 6: Final answer
    x = 1,227,022.18

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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.