Home / 1,259,892.62-1,890,106.83-407,013.19

Finding the Fourth Proportional to 1,259,892.62, 1,890,106.83 and 407,013.19

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Solution

The fourth proportional to 1,259,892.62, 1,890,106.83 and 407,013.19 is: 610,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,892.62 : 1,890,106.83 = 407,013.19 : x
  2. Step 2: Convert to fraction form
    1,259,892.62/1,890,106.83 = 407,013.19/x
  3. Step 3: Cross multiply
    1,259,892.62x = 1,890,106.83 × 407,013.19
  4. Step 4: Simplify right side
    1,259,892.62x = 769,298,410,319.09
  5. Step 5: Solve for x
    x = 769,298,410,319.09/1,259,892.62
  6. Step 6: Final answer
    x = 610,606.33

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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.