Home / 1,121,369.30-1,682,311.53-322,657.46

Finding the Fourth Proportional to 1,121,369.30, 1,682,311.53 and 322,657.46

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Solution

The fourth proportional to 1,121,369.30, 1,682,311.53 and 322,657.46 is: 484,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,369.30 : 1,682,311.53 = 322,657.46 : x
  2. Step 2: Convert to fraction form
    1,121,369.30/1,682,311.53 = 322,657.46/x
  3. Step 3: Cross multiply
    1,121,369.30x = 1,682,311.53 × 322,657.46
  4. Step 4: Simplify right side
    1,121,369.30x = 542,810,365,198.51
  5. Step 5: Solve for x
    x = 542,810,365,198.51/1,121,369.30
  6. Step 6: Final answer
    x = 484,060.30

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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.