Home / 1,420,509.51-2,131,079.12-409,552.58

Finding the Fourth Proportional to 1,420,509.51, 2,131,079.12 and 409,552.58

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Solution

The fourth proportional to 1,420,509.51, 2,131,079.12 and 409,552.58 is: 614,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,509.51 : 2,131,079.12 = 409,552.58 : x
  2. Step 2: Convert to fraction form
    1,420,509.51/2,131,079.12 = 409,552.58/x
  3. Step 3: Cross multiply
    1,420,509.51x = 2,131,079.12 × 409,552.58
  4. Step 4: Simplify right side
    1,420,509.51x = 872,788,939,076.97
  5. Step 5: Solve for x
    x = 872,788,939,076.97/1,420,509.51
  6. Step 6: Final answer
    x = 614,419.64

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