Home / 1,088,762.33-1,631,933.35-821,656.73

Finding the Fourth Proportional to 1,088,762.33, 1,631,933.35 and 821,656.73

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Solution

The fourth proportional to 1,088,762.33, 1,631,933.35 and 821,656.73 is: 1,231,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,762.33 : 1,631,933.35 = 821,656.73 : x
  2. Step 2: Convert to fraction form
    1,088,762.33/1,631,933.35 = 821,656.73/x
  3. Step 3: Cross multiply
    1,088,762.33x = 1,631,933.35 × 821,656.73
  4. Step 4: Simplify right side
    1,088,762.33x = 1,340,889,015,095.92
  5. Step 5: Solve for x
    x = 1,340,889,015,095.92/1,088,762.33
  6. Step 6: Final answer
    x = 1,231,571.83

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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.