Home / 1,336,771.40-2,005,157.10-978,048.73

Finding the Fourth Proportional to 1,336,771.40, 2,005,157.10 and 978,048.73

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Solution

The fourth proportional to 1,336,771.40, 2,005,157.10 and 978,048.73 is: 1,467,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,771.40 : 2,005,157.10 = 978,048.73 : x
  2. Step 2: Convert to fraction form
    1,336,771.40/2,005,157.10 = 978,048.73/x
  3. Step 3: Cross multiply
    1,336,771.40x = 2,005,157.10 × 978,048.73
  4. Step 4: Simplify right side
    1,336,771.40x = 1,961,141,355,105.48
  5. Step 5: Solve for x
    x = 1,961,141,355,105.48/1,336,771.40
  6. Step 6: Final answer
    x = 1,467,073.10

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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.