Home / 1,121,369.05-1,682,311.16-322,657.21

Finding the Fourth Proportional to 1,121,369.05, 1,682,311.16 and 322,657.21

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Solution

The fourth proportional to 1,121,369.05, 1,682,311.16 and 322,657.21 is: 484,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,369.05 : 1,682,311.16 = 322,657.21 : x
  2. Step 2: Convert to fraction form
    1,121,369.05/1,682,311.16 = 322,657.21/x
  3. Step 3: Cross multiply
    1,121,369.05x = 1,682,311.16 × 322,657.21
  4. Step 4: Simplify right side
    1,121,369.05x = 542,809,823,624.18
  5. Step 5: Solve for x
    x = 542,809,823,624.18/1,121,369.05
  6. Step 6: Final answer
    x = 484,059.93

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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.