Home / 1,560,556.25-2,340,834.38-378,604.25

Finding the Fourth Proportional to 1,560,556.25, 2,340,834.38 and 378,604.25

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Solution

The fourth proportional to 1,560,556.25, 2,340,834.38 and 378,604.25 is: 567,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,556.25 : 2,340,834.38 = 378,604.25 : x
  2. Step 2: Convert to fraction form
    1,560,556.25/2,340,834.38 = 378,604.25/x
  3. Step 3: Cross multiply
    1,560,556.25x = 2,340,834.38 × 378,604.25
  4. Step 4: Simplify right side
    1,560,556.25x = 886,249,842,921.09
  5. Step 5: Solve for x
    x = 886,249,842,921.09/1,560,556.25
  6. Step 6: Final answer
    x = 567,906.38

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Double scale
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Similar ratio
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1.5x scale

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.