Home / 859,709.20-1,289,563.80-741,611.20

Finding the Fourth Proportional to 859,709.20, 1,289,563.80 and 741,611.20

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Solution

The fourth proportional to 859,709.20, 1,289,563.80 and 741,611.20 is: 1,112,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,709.20 : 1,289,563.80 = 741,611.20 : x
  2. Step 2: Convert to fraction form
    859,709.20/1,289,563.80 = 741,611.20/x
  3. Step 3: Cross multiply
    859,709.20x = 1,289,563.80 × 741,611.20
  4. Step 4: Simplify right side
    859,709.20x = 956,354,957,194.56
  5. Step 5: Solve for x
    x = 956,354,957,194.56/859,709.20
  6. Step 6: Final answer
    x = 1,112,416.80

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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.