Home / 1,755,574.78-2,422,890.22-991,677.54

Finding the Fourth Proportional to 1,755,574.78, 2,422,890.22 and 991,677.54

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Solution

The fourth proportional to 1,755,574.78, 2,422,890.22 and 991,677.54 is: 1,368,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,574.78 : 2,422,890.22 = 991,677.54 : x
  2. Step 2: Convert to fraction form
    1,755,574.78/2,422,890.22 = 991,677.54/x
  3. Step 3: Cross multiply
    1,755,574.78x = 2,422,890.22 × 991,677.54
  4. Step 4: Simplify right side
    1,755,574.78x = 2,402,725,813,059.66
  5. Step 5: Solve for x
    x = 2,402,725,813,059.66/1,755,574.78
  6. Step 6: Final answer
    x = 1,368,626.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.