Home / 1,990,971.60-2,984,344.80-978,666

Finding the Fourth Proportional to 1,990,971.60, 2,984,344.80 and 978,666

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Solution

The fourth proportional to 1,990,971.60, 2,984,344.80 and 978,666 is: 1,466,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,971.60 : 2,984,344.80 = 978,666 : x
  2. Step 2: Convert to fraction form
    1,990,971.60/2,984,344.80 = 978,666/x
  3. Step 3: Cross multiply
    1,990,971.60x = 2,984,344.80 × 978,666
  4. Step 4: Simplify right side
    1,990,971.60x = 2,920,676,788,036.80
  5. Step 5: Solve for x
    x = 2,920,676,788,036.80/1,990,971.60
  6. Step 6: Final answer
    x = 1,466,960.55

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