Home / 1,218,583.24-1,681,739.56-674,769.64

Finding the Fourth Proportional to 1,218,583.24, 1,681,739.56 and 674,769.64

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Solution

The fourth proportional to 1,218,583.24, 1,681,739.56 and 674,769.64 is: 931,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,583.24 : 1,681,739.56 = 674,769.64 : x
  2. Step 2: Convert to fraction form
    1,218,583.24/1,681,739.56 = 674,769.64/x
  3. Step 3: Cross multiply
    1,218,583.24x = 1,681,739.56 × 674,769.64
  4. Step 4: Simplify right side
    1,218,583.24x = 1,134,786,797,474.96
  5. Step 5: Solve for x
    x = 1,134,786,797,474.96/1,218,583.24
  6. Step 6: Final answer
    x = 931,234.54

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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.