Home / 1,245,829.70-1,864,807.95-978,140.90

Finding the Fourth Proportional to 1,245,829.70, 1,864,807.95 and 978,140.90

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Solution

The fourth proportional to 1,245,829.70, 1,864,807.95 and 978,140.90 is: 1,464,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,829.70 : 1,864,807.95 = 978,140.90 : x
  2. Step 2: Convert to fraction form
    1,245,829.70/1,864,807.95 = 978,140.90/x
  3. Step 3: Cross multiply
    1,245,829.70x = 1,864,807.95 × 978,140.90
  4. Step 4: Simplify right side
    1,245,829.70x = 1,824,044,926,540.16
  5. Step 5: Solve for x
    x = 1,824,044,926,540.16/1,245,829.70
  6. Step 6: Final answer
    x = 1,464,120.60

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