Home / 1,322,018.60-1,983,027.89-324,746.60

Finding the Fourth Proportional to 1,322,018.60, 1,983,027.89 and 324,746.60

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Solution

The fourth proportional to 1,322,018.60, 1,983,027.89 and 324,746.60 is: 487,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,018.60 : 1,983,027.89 = 324,746.60 : x
  2. Step 2: Convert to fraction form
    1,322,018.60/1,983,027.89 = 324,746.60/x
  3. Step 3: Cross multiply
    1,322,018.60x = 1,983,027.89 × 324,746.60
  4. Step 4: Simplify right side
    1,322,018.60x = 643,981,555,879.40
  5. Step 5: Solve for x
    x = 643,981,555,879.40/1,322,018.60
  6. Step 6: Final answer
    x = 487,119.89

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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.