Home / 1,286,313.50-1,775,067.96-713,406.98

Finding the Fourth Proportional to 1,286,313.50, 1,775,067.96 and 713,406.98

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Solution

The fourth proportional to 1,286,313.50, 1,775,067.96 and 713,406.98 is: 984,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,313.50 : 1,775,067.96 = 713,406.98 : x
  2. Step 2: Convert to fraction form
    1,286,313.50/1,775,067.96 = 713,406.98/x
  3. Step 3: Cross multiply
    1,286,313.50x = 1,775,067.96 × 713,406.98
  4. Step 4: Simplify right side
    1,286,313.50x = 1,266,345,863,763.02
  5. Step 5: Solve for x
    x = 1,266,345,863,763.02/1,286,313.50
  6. Step 6: Final answer
    x = 984,476.85

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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.