Home / 1,726,991.20-2,586,987.60-978,162.40

Finding the Fourth Proportional to 1,726,991.20, 2,586,987.60 and 978,162.40

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Solution

The fourth proportional to 1,726,991.20, 2,586,987.60 and 978,162.40 is: 1,465,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,991.20 : 2,586,987.60 = 978,162.40 : x
  2. Step 2: Convert to fraction form
    1,726,991.20/2,586,987.60 = 978,162.40/x
  3. Step 3: Cross multiply
    1,726,991.20x = 2,586,987.60 × 978,162.40
  4. Step 4: Simplify right side
    1,726,991.20x = 2,530,493,999,586.24
  5. Step 5: Solve for x
    x = 2,530,493,999,586.24/1,726,991.20
  6. Step 6: Final answer
    x = 1,465,261.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.