Home / 1,286,851.93-1,775,857.76-713,892.12

Finding the Fourth Proportional to 1,286,851.93, 1,775,857.76 and 713,892.12

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Solution

The fourth proportional to 1,286,851.93, 1,775,857.76 and 713,892.12 is: 985,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,851.93 : 1,775,857.76 = 713,892.12 : x
  2. Step 2: Convert to fraction form
    1,286,851.93/1,775,857.76 = 713,892.12/x
  3. Step 3: Cross multiply
    1,286,851.93x = 1,775,857.76 × 713,892.12
  4. Step 4: Simplify right side
    1,286,851.93x = 1,267,770,857,535.39
  5. Step 5: Solve for x
    x = 1,267,770,857,535.39/1,286,851.93
  6. Step 6: Final answer
    x = 985,172.29

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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.