Home / 1,608,964.70-2,414,333.55-978,321.38

Finding the Fourth Proportional to 1,608,964.70, 2,414,333.55 and 978,321.38

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Solution

The fourth proportional to 1,608,964.70, 2,414,333.55 and 978,321.38 is: 1,468,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,964.70 : 2,414,333.55 = 978,321.38 : x
  2. Step 2: Convert to fraction form
    1,608,964.70/2,414,333.55 = 978,321.38/x
  3. Step 3: Cross multiply
    1,608,964.70x = 2,414,333.55 × 978,321.38
  4. Step 4: Simplify right side
    1,608,964.70x = 2,361,994,130,416.30
  5. Step 5: Solve for x
    x = 2,361,994,130,416.30/1,608,964.70
  6. Step 6: Final answer
    x = 1,468,021.10

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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.