Home / 1,213,899.78-1,821,084.03-465,887.46

Finding the Fourth Proportional to 1,213,899.78, 1,821,084.03 and 465,887.46

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Solution

The fourth proportional to 1,213,899.78, 1,821,084.03 and 465,887.46 is: 698,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,899.78 : 1,821,084.03 = 465,887.46 : x
  2. Step 2: Convert to fraction form
    1,213,899.78/1,821,084.03 = 465,887.46/x
  3. Step 3: Cross multiply
    1,213,899.78x = 1,821,084.03 × 465,887.46
  4. Step 4: Simplify right side
    1,213,899.78x = 848,420,213,183.26
  5. Step 5: Solve for x
    x = 848,420,213,183.26/1,213,899.78
  6. Step 6: Final answer
    x = 698,921.14

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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.