Home / 1,098,844.79-1,648,453.28-378,991.04

Finding the Fourth Proportional to 1,098,844.79, 1,648,453.28 and 378,991.04

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Solution

The fourth proportional to 1,098,844.79, 1,648,453.28 and 378,991.04 is: 568,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,844.79 : 1,648,453.28 = 378,991.04 : x
  2. Step 2: Convert to fraction form
    1,098,844.79/1,648,453.28 = 378,991.04/x
  3. Step 3: Cross multiply
    1,098,844.79x = 1,648,453.28 × 378,991.04
  4. Step 4: Simplify right side
    1,098,844.79x = 624,749,012,841.39
  5. Step 5: Solve for x
    x = 624,749,012,841.39/1,098,844.79
  6. Step 6: Final answer
    x = 568,550.74

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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.