Home / 1,069,672.25-1,475,297.39-909,058.97

Finding the Fourth Proportional to 1,069,672.25, 1,475,297.39 and 909,058.97

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Solution

The fourth proportional to 1,069,672.25, 1,475,297.39 and 909,058.97 is: 1,253,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,672.25 : 1,475,297.39 = 909,058.97 : x
  2. Step 2: Convert to fraction form
    1,069,672.25/1,475,297.39 = 909,058.97/x
  3. Step 3: Cross multiply
    1,069,672.25x = 1,475,297.39 × 909,058.97
  4. Step 4: Simplify right side
    1,069,672.25x = 1,341,132,313,875.31
  5. Step 5: Solve for x
    x = 1,341,132,313,875.31/1,069,672.25
  6. Step 6: Final answer
    x = 1,253,778.73

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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.