Home / 1,207,448.40-1,810,020.60-449,086.80

Finding the Fourth Proportional to 1,207,448.40, 1,810,020.60 and 449,086.80

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Solution

The fourth proportional to 1,207,448.40, 1,810,020.60 and 449,086.80 is: 673,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,448.40 : 1,810,020.60 = 449,086.80 : x
  2. Step 2: Convert to fraction form
    1,207,448.40/1,810,020.60 = 449,086.80/x
  3. Step 3: Cross multiply
    1,207,448.40x = 1,810,020.60 × 449,086.80
  4. Step 4: Simplify right side
    1,207,448.40x = 812,856,359,188.08
  5. Step 5: Solve for x
    x = 812,856,359,188.08/1,207,448.40
  6. Step 6: Final answer
    x = 673,201.74

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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.