Home / 1,082,989.36-1,493,621.94-811,704.16

Finding the Fourth Proportional to 1,082,989.36, 1,493,621.94 and 811,704.16

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Solution

The fourth proportional to 1,082,989.36, 1,493,621.94 and 811,704.16 is: 1,119,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,989.36 : 1,493,621.94 = 811,704.16 : x
  2. Step 2: Convert to fraction form
    1,082,989.36/1,493,621.94 = 811,704.16/x
  3. Step 3: Cross multiply
    1,082,989.36x = 1,493,621.94 × 811,704.16
  4. Step 4: Simplify right side
    1,082,989.36x = 1,212,379,142,165.27
  5. Step 5: Solve for x
    x = 1,212,379,142,165.27/1,082,989.36
  6. Step 6: Final answer
    x = 1,119,474.66

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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.