Home / 1,317,247.42-1,817,803.32-713,635.42

Finding the Fourth Proportional to 1,317,247.42, 1,817,803.32 and 713,635.42

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Solution

The fourth proportional to 1,317,247.42, 1,817,803.32 and 713,635.42 is: 984,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,247.42 : 1,817,803.32 = 713,635.42 : x
  2. Step 2: Convert to fraction form
    1,317,247.42/1,817,803.32 = 713,635.42/x
  3. Step 3: Cross multiply
    1,317,247.42x = 1,817,803.32 × 713,635.42
  4. Step 4: Simplify right side
    1,317,247.42x = 1,297,248,835,745.59
  5. Step 5: Solve for x
    x = 1,297,248,835,745.59/1,317,247.42
  6. Step 6: Final answer
    x = 984,817.90

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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.