Home / 1,419,769.76-2,129,788.55-1,100,279.50

Finding the Fourth Proportional to 1,419,769.76, 2,129,788.55 and 1,100,279.50

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Solution

The fourth proportional to 1,419,769.76, 2,129,788.55 and 1,100,279.50 is: 1,650,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,769.76 : 2,129,788.55 = 1,100,279.50 : x
  2. Step 2: Convert to fraction form
    1,419,769.76/2,129,788.55 = 1,100,279.50/x
  3. Step 3: Cross multiply
    1,419,769.76x = 2,129,788.55 × 1,100,279.50
  4. Step 4: Simplify right side
    1,419,769.76x = 2,343,362,678,325.95
  5. Step 5: Solve for x
    x = 2,343,362,678,325.95/1,419,769.76
  6. Step 6: Final answer
    x = 1,650,523.03

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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.