Home / 1,317,286.92-1,817,857.74-713,674.92

Finding the Fourth Proportional to 1,317,286.92, 1,817,857.74 and 713,674.92

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Solution

The fourth proportional to 1,317,286.92, 1,817,857.74 and 713,674.92 is: 984,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,286.92 : 1,817,857.74 = 713,674.92 : x
  2. Step 2: Convert to fraction form
    1,317,286.92/1,817,857.74 = 713,674.92/x
  3. Step 3: Cross multiply
    1,317,286.92x = 1,817,857.74 × 713,674.92
  4. Step 4: Simplify right side
    1,317,286.92x = 1,297,359,477,165.88
  5. Step 5: Solve for x
    x = 1,297,359,477,165.88/1,317,286.92
  6. Step 6: Final answer
    x = 984,872.36

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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.