Home / 1,082,359.56-1,492,433.84-809,553.20

Finding the Fourth Proportional to 1,082,359.56, 1,492,433.84 and 809,553.20

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Solution

The fourth proportional to 1,082,359.56, 1,492,433.84 and 809,553.20 is: 1,116,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,359.56 : 1,492,433.84 = 809,553.20 : x
  2. Step 2: Convert to fraction form
    1,082,359.56/1,492,433.84 = 809,553.20/x
  3. Step 3: Cross multiply
    1,082,359.56x = 1,492,433.84 × 809,553.20
  4. Step 4: Simplify right side
    1,082,359.56x = 1,208,204,590,960.29
  5. Step 5: Solve for x
    x = 1,208,204,590,960.29/1,082,359.56
  6. Step 6: Final answer
    x = 1,116,269.15

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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.