Home / 1,259,672.70-1,889,509.05-1,149,447.90

Finding the Fourth Proportional to 1,259,672.70, 1,889,509.05 and 1,149,447.90

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Solution

The fourth proportional to 1,259,672.70, 1,889,509.05 and 1,149,447.90 is: 1,724,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,672.70 : 1,889,509.05 = 1,149,447.90 : x
  2. Step 2: Convert to fraction form
    1,259,672.70/1,889,509.05 = 1,149,447.90/x
  3. Step 3: Cross multiply
    1,259,672.70x = 1,889,509.05 × 1,149,447.90
  4. Step 4: Simplify right side
    1,259,672.70x = 2,171,892,209,553.50
  5. Step 5: Solve for x
    x = 2,171,892,209,553.50/1,259,672.70
  6. Step 6: Final answer
    x = 1,724,171.85

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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.