Home / 1,431,599.40-2,147,413.95-420,739.38

Finding the Fourth Proportional to 1,431,599.40, 2,147,413.95 and 420,739.38

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Solution

The fourth proportional to 1,431,599.40, 2,147,413.95 and 420,739.38 is: 631,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,599.40 : 2,147,413.95 = 420,739.38 : x
  2. Step 2: Convert to fraction form
    1,431,599.40/2,147,413.95 = 420,739.38/x
  3. Step 3: Cross multiply
    1,431,599.40x = 2,147,413.95 × 420,739.38
  4. Step 4: Simplify right side
    1,431,599.40x = 903,501,613,926.35
  5. Step 5: Solve for x
    x = 903,501,613,926.35/1,431,599.40
  6. Step 6: Final answer
    x = 631,113.43

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