Home / 1,259,896.13-1,890,112.08-407,016.69

Finding the Fourth Proportional to 1,259,896.13, 1,890,112.08 and 407,016.69

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Solution

The fourth proportional to 1,259,896.13, 1,890,112.08 and 407,016.69 is: 610,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,896.13 : 1,890,112.08 = 407,016.69 : x
  2. Step 2: Convert to fraction form
    1,259,896.13/1,890,112.08 = 407,016.69/x
  3. Step 3: Cross multiply
    1,259,896.13x = 1,890,112.08 × 407,016.69
  4. Step 4: Simplify right side
    1,259,896.13x = 769,307,162,530.62
  5. Step 5: Solve for x
    x = 769,307,162,530.62/1,259,896.13
  6. Step 6: Final answer
    x = 610,611.58

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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.