Home / 1,082,190.56-1,620,539.74-649,638.84

Finding the Fourth Proportional to 1,082,190.56, 1,620,539.74 and 649,638.84

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Solution

The fourth proportional to 1,082,190.56, 1,620,539.74 and 649,638.84 is: 972,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,190.56 : 1,620,539.74 = 649,638.84 : x
  2. Step 2: Convert to fraction form
    1,082,190.56/1,620,539.74 = 649,638.84/x
  3. Step 3: Cross multiply
    1,082,190.56x = 1,620,539.74 × 649,638.84
  4. Step 4: Simplify right side
    1,082,190.56x = 1,052,765,556,867.50
  5. Step 5: Solve for x
    x = 1,052,765,556,867.50/1,082,190.56
  6. Step 6: Final answer
    x = 972,809.78

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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.