Home / 1,228,636.13-1,842,829.65-329,961.12

Finding the Fourth Proportional to 1,228,636.13, 1,842,829.65 and 329,961.12

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Solution

The fourth proportional to 1,228,636.13, 1,842,829.65 and 329,961.12 is: 494,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,636.13 : 1,842,829.65 = 329,961.12 : x
  2. Step 2: Convert to fraction form
    1,228,636.13/1,842,829.65 = 329,961.12/x
  3. Step 3: Cross multiply
    1,228,636.13x = 1,842,829.65 × 329,961.12
  4. Step 4: Simplify right side
    1,228,636.13x = 608,062,132,163.52
  5. Step 5: Solve for x
    x = 608,062,132,163.52/1,228,636.13
  6. Step 6: Final answer
    x = 494,908.23

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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.