Home / 1,762,125.20-2,431,654.28-998,163.28

Finding the Fourth Proportional to 1,762,125.20, 2,431,654.28 and 998,163.28

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Solution

The fourth proportional to 1,762,125.20, 2,431,654.28 and 998,163.28 is: 1,377,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,125.20 : 2,431,654.28 = 998,163.28 : x
  2. Step 2: Convert to fraction form
    1,762,125.20/2,431,654.28 = 998,163.28/x
  3. Step 3: Cross multiply
    1,762,125.20x = 2,431,654.28 × 998,163.28
  4. Step 4: Simplify right side
    1,762,125.20x = 2,427,188,011,950.84
  5. Step 5: Solve for x
    x = 2,427,188,011,950.84/1,762,125.20
  6. Step 6: Final answer
    x = 1,377,420.86

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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.