Home / 1,486,484.15-2,052,199.28-978,662.75

Finding the Fourth Proportional to 1,486,484.15, 2,052,199.28 and 978,662.75

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Solution

The fourth proportional to 1,486,484.15, 2,052,199.28 and 978,662.75 is: 1,351,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,484.15 : 2,052,199.28 = 978,662.75 : x
  2. Step 2: Convert to fraction form
    1,486,484.15/2,052,199.28 = 978,662.75/x
  3. Step 3: Cross multiply
    1,486,484.15x = 2,052,199.28 × 978,662.75
  4. Step 4: Simplify right side
    1,486,484.15x = 2,008,410,990,912.82
  5. Step 5: Solve for x
    x = 2,008,410,990,912.82/1,486,484.15
  6. Step 6: Final answer
    x = 1,351,114.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.