Home / 1,318,669.34-1,978,359.08-678,624.35

Finding the Fourth Proportional to 1,318,669.34, 1,978,359.08 and 678,624.35

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Solution

The fourth proportional to 1,318,669.34, 1,978,359.08 and 678,624.35 is: 1,018,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,669.34 : 1,978,359.08 = 678,624.35 : x
  2. Step 2: Convert to fraction form
    1,318,669.34/1,978,359.08 = 678,624.35/x
  3. Step 3: Cross multiply
    1,318,669.34x = 1,978,359.08 × 678,624.35
  4. Step 4: Simplify right side
    1,318,669.34x = 1,342,562,631,446.68
  5. Step 5: Solve for x
    x = 1,342,562,631,446.68/1,318,669.34
  6. Step 6: Final answer
    x = 1,018,119.25

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