Home / 1,019,743.60-1,530,052.80-521,107.60

Finding the Fourth Proportional to 1,019,743.60, 1,530,052.80 and 521,107.60

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Solution

The fourth proportional to 1,019,743.60, 1,530,052.80 and 521,107.60 is: 781,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,743.60 : 1,530,052.80 = 521,107.60 : x
  2. Step 2: Convert to fraction form
    1,019,743.60/1,530,052.80 = 521,107.60/x
  3. Step 3: Cross multiply
    1,019,743.60x = 1,530,052.80 × 521,107.60
  4. Step 4: Simplify right side
    1,019,743.60x = 797,322,142,481.28
  5. Step 5: Solve for x
    x = 797,322,142,481.28/1,019,743.60
  6. Step 6: Final answer
    x = 781,884.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.