Home / 1,434,144.48-2,150,714.64-422,998.56

Finding the Fourth Proportional to 1,434,144.48, 2,150,714.64 and 422,998.56

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Solution

The fourth proportional to 1,434,144.48, 2,150,714.64 and 422,998.56 is: 634,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,144.48 : 2,150,714.64 = 422,998.56 : x
  2. Step 2: Convert to fraction form
    1,434,144.48/2,150,714.64 = 422,998.56/x
  3. Step 3: Cross multiply
    1,434,144.48x = 2,150,714.64 × 422,998.56
  4. Step 4: Simplify right side
    1,434,144.48x = 909,749,195,690.92
  5. Step 5: Solve for x
    x = 909,749,195,690.92/1,434,144.48
  6. Step 6: Final answer
    x = 634,349.75

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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.