Home / 1,362,563.14-1,880,247.12-818,375.56

Finding the Fourth Proportional to 1,362,563.14, 1,880,247.12 and 818,375.56

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Solution

The fourth proportional to 1,362,563.14, 1,880,247.12 and 818,375.56 is: 1,129,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,563.14 : 1,880,247.12 = 818,375.56 : x
  2. Step 2: Convert to fraction form
    1,362,563.14/1,880,247.12 = 818,375.56/x
  3. Step 3: Cross multiply
    1,362,563.14x = 1,880,247.12 × 818,375.56
  4. Step 4: Simplify right side
    1,362,563.14x = 1,538,748,289,768.39
  5. Step 5: Solve for x
    x = 1,538,748,289,768.39/1,362,563.14
  6. Step 6: Final answer
    x = 1,129,304.21

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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.