Home / 965,981.60-1,448,972.40-667,383.20

Finding the Fourth Proportional to 965,981.60, 1,448,972.40 and 667,383.20

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Solution

The fourth proportional to 965,981.60, 1,448,972.40 and 667,383.20 is: 1,001,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,981.60 : 1,448,972.40 = 667,383.20 : x
  2. Step 2: Convert to fraction form
    965,981.60/1,448,972.40 = 667,383.20/x
  3. Step 3: Cross multiply
    965,981.60x = 1,448,972.40 × 667,383.20
  4. Step 4: Simplify right side
    965,981.60x = 967,019,837,023.68
  5. Step 5: Solve for x
    x = 967,019,837,023.68/965,981.60
  6. Step 6: Final answer
    x = 1,001,074.80

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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.