Home / 1,755,310.20-2,629,028.70-1,440,382.20

Finding the Fourth Proportional to 1,755,310.20, 2,629,028.70 and 1,440,382.20

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Solution

The fourth proportional to 1,755,310.20, 2,629,028.70 and 1,440,382.20 is: 2,157,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,310.20 : 2,629,028.70 = 1,440,382.20 : x
  2. Step 2: Convert to fraction form
    1,755,310.20/2,629,028.70 = 1,440,382.20/x
  3. Step 3: Cross multiply
    1,755,310.20x = 2,629,028.70 × 1,440,382.20
  4. Step 4: Simplify right side
    1,755,310.20x = 3,786,806,142,769.14
  5. Step 5: Solve for x
    x = 3,786,806,142,769.14/1,755,310.20
  6. Step 6: Final answer
    x = 2,157,342.98

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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.