Home / 1,082,149.52-1,493,844.64-646,720.48

Finding the Fourth Proportional to 1,082,149.52, 1,493,844.64 and 646,720.48

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Solution

The fourth proportional to 1,082,149.52, 1,493,844.64 and 646,720.48 is: 892,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,149.52 : 1,493,844.64 = 646,720.48 : x
  2. Step 2: Convert to fraction form
    1,082,149.52/1,493,844.64 = 646,720.48/x
  3. Step 3: Cross multiply
    1,082,149.52x = 1,493,844.64 × 646,720.48
  4. Step 4: Simplify right side
    1,082,149.52x = 966,099,922,626.23
  5. Step 5: Solve for x
    x = 966,099,922,626.23/1,082,149.52
  6. Step 6: Final answer
    x = 892,760.11

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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.