Home / 1,170,016.80-1,755,025.20-719,276.10

Finding the Fourth Proportional to 1,170,016.80, 1,755,025.20 and 719,276.10

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Solution

The fourth proportional to 1,170,016.80, 1,755,025.20 and 719,276.10 is: 1,078,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,016.80 : 1,755,025.20 = 719,276.10 : x
  2. Step 2: Convert to fraction form
    1,170,016.80/1,755,025.20 = 719,276.10/x
  3. Step 3: Cross multiply
    1,170,016.80x = 1,755,025.20 × 719,276.10
  4. Step 4: Simplify right side
    1,170,016.80x = 1,262,347,681,257.72
  5. Step 5: Solve for x
    x = 1,262,347,681,257.72/1,170,016.80
  6. Step 6: Final answer
    x = 1,078,914.15

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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.