Home / 1,335,098.60-2,002,647.90-978,180.20

Finding the Fourth Proportional to 1,335,098.60, 2,002,647.90 and 978,180.20

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Solution

The fourth proportional to 1,335,098.60, 2,002,647.90 and 978,180.20 is: 1,467,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,098.60 : 2,002,647.90 = 978,180.20 : x
  2. Step 2: Convert to fraction form
    1,335,098.60/2,002,647.90 = 978,180.20/x
  3. Step 3: Cross multiply
    1,335,098.60x = 2,002,647.90 × 978,180.20
  4. Step 4: Simplify right side
    1,335,098.60x = 1,958,950,523,351.58
  5. Step 5: Solve for x
    x = 1,958,950,523,351.58/1,335,098.60
  6. Step 6: Final answer
    x = 1,467,270.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.