Home / 1,492,929.78-2,239,025.58-639,904.70

Finding the Fourth Proportional to 1,492,929.78, 2,239,025.58 and 639,904.70

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Solution

The fourth proportional to 1,492,929.78, 2,239,025.58 and 639,904.70 is: 959,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,929.78 : 2,239,025.58 = 639,904.70 : x
  2. Step 2: Convert to fraction form
    1,492,929.78/2,239,025.58 = 639,904.70/x
  3. Step 3: Cross multiply
    1,492,929.78x = 2,239,025.58 × 639,904.70
  4. Step 4: Simplify right side
    1,492,929.78x = 1,432,762,980,867.10
  5. Step 5: Solve for x
    x = 1,432,762,980,867.10/1,492,929.78
  6. Step 6: Final answer
    x = 959,698.84

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