Home / 1,103,469.96-1,522,739.94-644,627.01

Finding the Fourth Proportional to 1,103,469.96, 1,522,739.94 and 644,627.01

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Solution

The fourth proportional to 1,103,469.96, 1,522,739.94 and 644,627.01 is: 889,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,469.96 : 1,522,739.94 = 644,627.01 : x
  2. Step 2: Convert to fraction form
    1,103,469.96/1,522,739.94 = 644,627.01/x
  3. Step 3: Cross multiply
    1,103,469.96x = 1,522,739.94 × 644,627.01
  4. Step 4: Simplify right side
    1,103,469.96x = 981,599,294,529.78
  5. Step 5: Solve for x
    x = 981,599,294,529.78/1,103,469.96
  6. Step 6: Final answer
    x = 889,556.88

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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.