Home / 1,085,838.30-1,627,970.13-729,969.66

Finding the Fourth Proportional to 1,085,838.30, 1,627,970.13 and 729,969.66

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Solution

The fourth proportional to 1,085,838.30, 1,627,970.13 and 729,969.66 is: 1,094,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,838.30 : 1,627,970.13 = 729,969.66 : x
  2. Step 2: Convert to fraction form
    1,085,838.30/1,627,970.13 = 729,969.66/x
  3. Step 3: Cross multiply
    1,085,838.30x = 1,627,970.13 × 729,969.66
  4. Step 4: Simplify right side
    1,085,838.30x = 1,188,368,802,286.26
  5. Step 5: Solve for x
    x = 1,188,368,802,286.26/1,085,838.30
  6. Step 6: Final answer
    x = 1,094,425.20

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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.