Home / 1,190,553.24-1,642,993.12-646,688.86

Finding the Fourth Proportional to 1,190,553.24, 1,642,993.12 and 646,688.86

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Solution

The fourth proportional to 1,190,553.24, 1,642,993.12 and 646,688.86 is: 892,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,553.24 : 1,642,993.12 = 646,688.86 : x
  2. Step 2: Convert to fraction form
    1,190,553.24/1,642,993.12 = 646,688.86/x
  3. Step 3: Cross multiply
    1,190,553.24x = 1,642,993.12 × 646,688.86
  4. Step 4: Simplify right side
    1,190,553.24x = 1,062,505,347,760.64
  5. Step 5: Solve for x
    x = 1,062,505,347,760.64/1,190,553.24
  6. Step 6: Final answer
    x = 892,446.73

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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.