Home / 1,082,369.55-1,492,447.65-809,563.17

Finding the Fourth Proportional to 1,082,369.55, 1,492,447.65 and 809,563.17

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Solution

The fourth proportional to 1,082,369.55, 1,492,447.65 and 809,563.17 is: 1,116,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,369.55 : 1,492,447.65 = 809,563.17 : x
  2. Step 2: Convert to fraction form
    1,082,369.55/1,492,447.65 = 809,563.17/x
  3. Step 3: Cross multiply
    1,082,369.55x = 1,492,447.65 × 809,563.17
  4. Step 4: Simplify right side
    1,082,369.55x = 1,208,230,650,593.05
  5. Step 5: Solve for x
    x = 1,208,230,650,593.05/1,082,369.55
  6. Step 6: Final answer
    x = 1,116,282.93

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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.