Home / 1,318,875.10-1,978,831.05-520,020.70

Finding the Fourth Proportional to 1,318,875.10, 1,978,831.05 and 520,020.70

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Solution

The fourth proportional to 1,318,875.10, 1,978,831.05 and 520,020.70 is: 780,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,875.10 : 1,978,831.05 = 520,020.70 : x
  2. Step 2: Convert to fraction form
    1,318,875.10/1,978,831.05 = 520,020.70/x
  3. Step 3: Cross multiply
    1,318,875.10x = 1,978,831.05 × 520,020.70
  4. Step 4: Simplify right side
    1,318,875.10x = 1,029,033,107,802.74
  5. Step 5: Solve for x
    x = 1,029,033,107,802.74/1,318,875.10
  6. Step 6: Final answer
    x = 780,235.45

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