Home / 1,213,850.25-1,820,862.86-465,896.25

Finding the Fourth Proportional to 1,213,850.25, 1,820,862.86 and 465,896.25

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Solution

The fourth proportional to 1,213,850.25, 1,820,862.86 and 465,896.25 is: 698,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,850.25 : 1,820,862.86 = 465,896.25 : x
  2. Step 2: Convert to fraction form
    1,213,850.25/1,820,862.86 = 465,896.25/x
  3. Step 3: Cross multiply
    1,213,850.25x = 1,820,862.86 × 465,896.25
  4. Step 4: Simplify right side
    1,213,850.25x = 848,333,175,908.79
  5. Step 5: Solve for x
    x = 848,333,175,908.79/1,213,850.25
  6. Step 6: Final answer
    x = 698,877.95

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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.