Home / 1,239,974.95-1,860,031.71-387,164.38

Finding the Fourth Proportional to 1,239,974.95, 1,860,031.71 and 387,164.38

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Solution

The fourth proportional to 1,239,974.95, 1,860,031.71 and 387,164.38 is: 580,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,974.95 : 1,860,031.71 = 387,164.38 : x
  2. Step 2: Convert to fraction form
    1,239,974.95/1,860,031.71 = 387,164.38/x
  3. Step 3: Cross multiply
    1,239,974.95x = 1,860,031.71 × 387,164.38
  4. Step 4: Simplify right side
    1,239,974.95x = 720,138,019,132.41
  5. Step 5: Solve for x
    x = 720,138,019,132.41/1,239,974.95
  6. Step 6: Final answer
    x = 580,768.20

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