Home / 1,298,589.90-1,947,884.82-351,960.60

Finding the Fourth Proportional to 1,298,589.90, 1,947,884.82 and 351,960.60

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Solution

The fourth proportional to 1,298,589.90, 1,947,884.82 and 351,960.60 is: 527,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,589.90 : 1,947,884.82 = 351,960.60 : x
  2. Step 2: Convert to fraction form
    1,298,589.90/1,947,884.82 = 351,960.60/x
  3. Step 3: Cross multiply
    1,298,589.90x = 1,947,884.82 × 351,960.60
  4. Step 4: Simplify right side
    1,298,589.90x = 685,578,709,978.09
  5. Step 5: Solve for x
    x = 685,578,709,978.09/1,298,589.90
  6. Step 6: Final answer
    x = 527,940.89

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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.