Home / 1,268,064.99-1,902,388.95-415,164.15

Finding the Fourth Proportional to 1,268,064.99, 1,902,388.95 and 415,164.15

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Solution

The fourth proportional to 1,268,064.99, 1,902,388.95 and 415,164.15 is: 622,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,064.99 : 1,902,388.95 = 415,164.15 : x
  2. Step 2: Convert to fraction form
    1,268,064.99/1,902,388.95 = 415,164.15/x
  3. Step 3: Cross multiply
    1,268,064.99x = 1,902,388.95 × 415,164.15
  4. Step 4: Simplify right side
    1,268,064.99x = 789,803,691,396.14
  5. Step 5: Solve for x
    x = 789,803,691,396.14/1,268,064.99
  6. Step 6: Final answer
    x = 622,841.65

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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.