Home / 942,974.40-1,412,906.40-809,227.20

Finding the Fourth Proportional to 942,974.40, 1,412,906.40 and 809,227.20

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Solution

The fourth proportional to 942,974.40, 1,412,906.40 and 809,227.20 is: 1,212,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,974.40 : 1,412,906.40 = 809,227.20 : x
  2. Step 2: Convert to fraction form
    942,974.40/1,412,906.40 = 809,227.20/x
  3. Step 3: Cross multiply
    942,974.40x = 1,412,906.40 × 809,227.20
  4. Step 4: Simplify right side
    942,974.40x = 1,143,362,289,934.08
  5. Step 5: Solve for x
    x = 1,143,362,289,934.08/942,974.40
  6. Step 6: Final answer
    x = 1,212,506.18

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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.