Home / 1,085,828.49-1,627,891.02-685,628.45

Finding the Fourth Proportional to 1,085,828.49, 1,627,891.02 and 685,628.45

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Solution

The fourth proportional to 1,085,828.49, 1,627,891.02 and 685,628.45 is: 1,027,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,828.49 : 1,627,891.02 = 685,628.45 : x
  2. Step 2: Convert to fraction form
    1,085,828.49/1,627,891.02 = 685,628.45/x
  3. Step 3: Cross multiply
    1,085,828.49x = 1,627,891.02 × 685,628.45
  4. Step 4: Simplify right side
    1,085,828.49x = 1,116,128,394,776.66
  5. Step 5: Solve for x
    x = 1,116,128,394,776.66/1,085,828.49
  6. Step 6: Final answer
    x = 1,027,904.87

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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.