Home / 1,662,906.80-2,490,673.80-665,121.20

Finding the Fourth Proportional to 1,662,906.80, 2,490,673.80 and 665,121.20

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Solution

The fourth proportional to 1,662,906.80, 2,490,673.80 and 665,121.20 is: 996,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,906.80 : 2,490,673.80 = 665,121.20 : x
  2. Step 2: Convert to fraction form
    1,662,906.80/2,490,673.80 = 665,121.20/x
  3. Step 3: Cross multiply
    1,662,906.80x = 2,490,673.80 × 665,121.20
  4. Step 4: Simplify right side
    1,662,906.80x = 1,656,599,946,664.56
  5. Step 5: Solve for x
    x = 1,656,599,946,664.56/1,662,906.80
  6. Step 6: Final answer
    x = 996,207.33

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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.