Home / 1,218,679.44-1,681,757.04-674,803.44

Finding the Fourth Proportional to 1,218,679.44, 1,681,757.04 and 674,803.44

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Solution

The fourth proportional to 1,218,679.44, 1,681,757.04 and 674,803.44 is: 931,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,679.44 : 1,681,757.04 = 674,803.44 : x
  2. Step 2: Convert to fraction form
    1,218,679.44/1,681,757.04 = 674,803.44/x
  3. Step 3: Cross multiply
    1,218,679.44x = 1,681,757.04 × 674,803.44
  4. Step 4: Simplify right side
    1,218,679.44x = 1,134,855,435,836.22
  5. Step 5: Solve for x
    x = 1,134,855,435,836.22/1,218,679.44
  6. Step 6: Final answer
    x = 931,217.35

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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.