Home / 1,821,755.10-2,732,960.70-756,904.80

Finding the Fourth Proportional to 1,821,755.10, 2,732,960.70 and 756,904.80

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Solution

The fourth proportional to 1,821,755.10, 2,732,960.70 and 756,904.80 is: 1,135,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,755.10 : 2,732,960.70 = 756,904.80 : x
  2. Step 2: Convert to fraction form
    1,821,755.10/2,732,960.70 = 756,904.80/x
  3. Step 3: Cross multiply
    1,821,755.10x = 2,732,960.70 × 756,904.80
  4. Step 4: Simplify right side
    1,821,755.10x = 2,068,591,072,041.36
  5. Step 5: Solve for x
    x = 2,068,591,072,041.36/1,821,755.10
  6. Step 6: Final answer
    x = 1,135,493.50

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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.