Home / 1,321,544.80-1,982,835.60-480,181.60

Finding the Fourth Proportional to 1,321,544.80, 1,982,835.60 and 480,181.60

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Solution

The fourth proportional to 1,321,544.80, 1,982,835.60 and 480,181.60 is: 720,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,544.80 : 1,982,835.60 = 480,181.60 : x
  2. Step 2: Convert to fraction form
    1,321,544.80/1,982,835.60 = 480,181.60/x
  3. Step 3: Cross multiply
    1,321,544.80x = 1,982,835.60 × 480,181.60
  4. Step 4: Simplify right side
    1,321,544.80x = 952,121,170,944.96
  5. Step 5: Solve for x
    x = 952,121,170,944.96/1,321,544.80
  6. Step 6: Final answer
    x = 720,460.76

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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.