Home / 1,800,997.69-2,485,375.99-985,201.16

Finding the Fourth Proportional to 1,800,997.69, 2,485,375.99 and 985,201.16

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Solution

The fourth proportional to 1,800,997.69, 2,485,375.99 and 985,201.16 is: 1,359,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,997.69 : 2,485,375.99 = 985,201.16 : x
  2. Step 2: Convert to fraction form
    1,800,997.69/2,485,375.99 = 985,201.16/x
  3. Step 3: Cross multiply
    1,800,997.69x = 2,485,375.99 × 985,201.16
  4. Step 4: Simplify right side
    1,800,997.69x = 2,448,595,291,031.26
  5. Step 5: Solve for x
    x = 2,448,595,291,031.26/1,800,997.69
  6. Step 6: Final answer
    x = 1,359,577.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.