Home / 1,628,442.68-2,247,286.92-903,266.78

Finding the Fourth Proportional to 1,628,442.68, 2,247,286.92 and 903,266.78

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Solution

The fourth proportional to 1,628,442.68, 2,247,286.92 and 903,266.78 is: 1,246,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,442.68 : 2,247,286.92 = 903,266.78 : x
  2. Step 2: Convert to fraction form
    1,628,442.68/2,247,286.92 = 903,266.78/x
  3. Step 3: Cross multiply
    1,628,442.68x = 2,247,286.92 × 903,266.78
  4. Step 4: Simplify right side
    1,628,442.68x = 2,029,899,619,964.52
  5. Step 5: Solve for x
    x = 2,029,899,619,964.52/1,628,442.68
  6. Step 6: Final answer
    x = 1,246,528.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.