Home / 1,311,287.54-1,966,433.06-627,472.43

Finding the Fourth Proportional to 1,311,287.54, 1,966,433.06 and 627,472.43

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Solution

The fourth proportional to 1,311,287.54, 1,966,433.06 and 627,472.43 is: 940,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,287.54 : 1,966,433.06 = 627,472.43 : x
  2. Step 2: Convert to fraction form
    1,311,287.54/1,966,433.06 = 627,472.43/x
  3. Step 3: Cross multiply
    1,311,287.54x = 1,966,433.06 × 627,472.43
  4. Step 4: Simplify right side
    1,311,287.54x = 1,233,882,527,453.17
  5. Step 5: Solve for x
    x = 1,233,882,527,453.17/1,311,287.54
  6. Step 6: Final answer
    x = 940,970.23

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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.