Home / 1,310,716.33-1,808,673.19-729,895.57

Finding the Fourth Proportional to 1,310,716.33, 1,808,673.19 and 729,895.57

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Solution

The fourth proportional to 1,310,716.33, 1,808,673.19 and 729,895.57 is: 1,007,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,716.33 : 1,808,673.19 = 729,895.57 : x
  2. Step 2: Convert to fraction form
    1,310,716.33/1,808,673.19 = 729,895.57/x
  3. Step 3: Cross multiply
    1,310,716.33x = 1,808,673.19 × 729,895.57
  4. Step 4: Simplify right side
    1,310,716.33x = 1,320,142,548,958.77
  5. Step 5: Solve for x
    x = 1,320,142,548,958.77/1,310,716.33
  6. Step 6: Final answer
    x = 1,007,191.65

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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.