Home / 1,245,143.20-1,866,548.40-975,121.60

Finding the Fourth Proportional to 1,245,143.20, 1,866,548.40 and 975,121.60

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Solution

The fourth proportional to 1,245,143.20, 1,866,548.40 and 975,121.60 is: 1,461,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,143.20 : 1,866,548.40 = 975,121.60 : x
  2. Step 2: Convert to fraction form
    1,245,143.20/1,866,548.40 = 975,121.60/x
  3. Step 3: Cross multiply
    1,245,143.20x = 1,866,548.40 × 975,121.60
  4. Step 4: Simplify right side
    1,245,143.20x = 1,820,111,662,285.44
  5. Step 5: Solve for x
    x = 1,820,111,662,285.44/1,245,143.20
  6. Step 6: Final answer
    x = 1,461,768.95

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