Home / 1,224,959.42-1,837,684.39-685,982.17

Finding the Fourth Proportional to 1,224,959.42, 1,837,684.39 and 685,982.17

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Solution

The fourth proportional to 1,224,959.42, 1,837,684.39 and 685,982.17 is: 1,029,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,959.42 : 1,837,684.39 = 685,982.17 : x
  2. Step 2: Convert to fraction form
    1,224,959.42/1,837,684.39 = 685,982.17/x
  3. Step 3: Cross multiply
    1,224,959.42x = 1,837,684.39 × 685,982.17
  4. Step 4: Simplify right side
    1,224,959.42x = 1,260,618,719,318.16
  5. Step 5: Solve for x
    x = 1,260,618,719,318.16/1,224,959.42
  6. Step 6: Final answer
    x = 1,029,110.60

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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.