Home / 865,015.20-1,295,803.44-677,147.04

Finding the Fourth Proportional to 865,015.20, 1,295,803.44 and 677,147.04

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Solution

The fourth proportional to 865,015.20, 1,295,803.44 and 677,147.04 is: 1,014,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,015.20 : 1,295,803.44 = 677,147.04 : x
  2. Step 2: Convert to fraction form
    865,015.20/1,295,803.44 = 677,147.04/x
  3. Step 3: Cross multiply
    865,015.20x = 1,295,803.44 × 677,147.04
  4. Step 4: Simplify right side
    865,015.20x = 877,449,463,817.82
  5. Step 5: Solve for x
    x = 877,449,463,817.82/865,015.20
  6. Step 6: Final answer
    x = 1,014,374.62

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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.