Home / 1,289,142.03-1,924,250.26-1,194,138.75

Finding the Fourth Proportional to 1,289,142.03, 1,924,250.26 and 1,194,138.75

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Solution

The fourth proportional to 1,289,142.03, 1,924,250.26 and 1,194,138.75 is: 1,782,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,142.03 : 1,924,250.26 = 1,194,138.75 : x
  2. Step 2: Convert to fraction form
    1,289,142.03/1,924,250.26 = 1,194,138.75/x
  3. Step 3: Cross multiply
    1,289,142.03x = 1,924,250.26 × 1,194,138.75
  4. Step 4: Simplify right side
    1,289,142.03x = 2,297,821,797,178.23
  5. Step 5: Solve for x
    x = 2,297,821,797,178.23/1,289,142.03
  6. Step 6: Final answer
    x = 1,782,442.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.