Home / 987,069.40-1,480,949.70-426,506.20

Finding the Fourth Proportional to 987,069.40, 1,480,949.70 and 426,506.20

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Solution

The fourth proportional to 987,069.40, 1,480,949.70 and 426,506.20 is: 639,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,069.40 : 1,480,949.70 = 426,506.20 : x
  2. Step 2: Convert to fraction form
    987,069.40/1,480,949.70 = 426,506.20/x
  3. Step 3: Cross multiply
    987,069.40x = 1,480,949.70 × 426,506.20
  4. Step 4: Simplify right side
    987,069.40x = 631,634,228,938.14
  5. Step 5: Solve for x
    x = 631,634,228,938.14/987,069.40
  6. Step 6: Final answer
    x = 639,908.63

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