Home / 1,039,891.70-1,556,727.15-978,374.90

Finding the Fourth Proportional to 1,039,891.70, 1,556,727.15 and 978,374.90

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Solution

The fourth proportional to 1,039,891.70, 1,556,727.15 and 978,374.90 is: 1,464,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,891.70 : 1,556,727.15 = 978,374.90 : x
  2. Step 2: Convert to fraction form
    1,039,891.70/1,556,727.15 = 978,374.90/x
  3. Step 3: Cross multiply
    1,039,891.70x = 1,556,727.15 × 978,374.90
  4. Step 4: Simplify right side
    1,039,891.70x = 1,523,062,769,708.54
  5. Step 5: Solve for x
    x = 1,523,062,769,708.54/1,039,891.70
  6. Step 6: Final answer
    x = 1,464,635.95

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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.