Home / 1,491,844.80-2,058,726.60-812,781.84

Finding the Fourth Proportional to 1,491,844.80, 2,058,726.60 and 812,781.84

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Solution

The fourth proportional to 1,491,844.80, 2,058,726.60 and 812,781.84 is: 1,121,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,844.80 : 2,058,726.60 = 812,781.84 : x
  2. Step 2: Convert to fraction form
    1,491,844.80/2,058,726.60 = 812,781.84/x
  3. Step 3: Cross multiply
    1,491,844.80x = 2,058,726.60 × 812,781.84
  4. Step 4: Simplify right side
    1,491,844.80x = 1,673,295,594,004.94
  5. Step 5: Solve for x
    x = 1,673,295,594,004.94/1,491,844.80
  6. Step 6: Final answer
    x = 1,121,628.47

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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.