Home / 1,880,231.60-2,821,960.20-759,105.20

Finding the Fourth Proportional to 1,880,231.60, 2,821,960.20 and 759,105.20

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Solution

The fourth proportional to 1,880,231.60, 2,821,960.20 and 759,105.20 is: 1,139,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,231.60 : 2,821,960.20 = 759,105.20 : x
  2. Step 2: Convert to fraction form
    1,880,231.60/2,821,960.20 = 759,105.20/x
  3. Step 3: Cross multiply
    1,880,231.60x = 2,821,960.20 × 759,105.20
  4. Step 4: Simplify right side
    1,880,231.60x = 2,142,164,662,013.04
  5. Step 5: Solve for x
    x = 2,142,164,662,013.04/1,880,231.60
  6. Step 6: Final answer
    x = 1,139,308.94

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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.