Home / 1,086,019.20-1,628,374.32-486,872

Finding the Fourth Proportional to 1,086,019.20, 1,628,374.32 and 486,872

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Solution

The fourth proportional to 1,086,019.20, 1,628,374.32 and 486,872 is: 730,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,019.20 : 1,628,374.32 = 486,872 : x
  2. Step 2: Convert to fraction form
    1,086,019.20/1,628,374.32 = 486,872/x
  3. Step 3: Cross multiply
    1,086,019.20x = 1,628,374.32 × 486,872
  4. Step 4: Simplify right side
    1,086,019.20x = 792,809,861,927.04
  5. Step 5: Solve for x
    x = 792,809,861,927.04/1,086,019.20
  6. Step 6: Final answer
    x = 730,014.59

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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.