Home / 1,978,670.40-2,967,022.80-630,657.60

Finding the Fourth Proportional to 1,978,670.40, 2,967,022.80 and 630,657.60

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Solution

The fourth proportional to 1,978,670.40, 2,967,022.80 and 630,657.60 is: 945,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,670.40 : 2,967,022.80 = 630,657.60 : x
  2. Step 2: Convert to fraction form
    1,978,670.40/2,967,022.80 = 630,657.60/x
  3. Step 3: Cross multiply
    1,978,670.40x = 2,967,022.80 × 630,657.60
  4. Step 4: Simplify right side
    1,978,670.40x = 1,871,175,478,193.28
  5. Step 5: Solve for x
    x = 1,871,175,478,193.28/1,978,670.40
  6. Step 6: Final answer
    x = 945,673.15

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