Home / 1,109,326.23-1,530,738.54-625,863.15

Finding the Fourth Proportional to 1,109,326.23, 1,530,738.54 and 625,863.15

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Solution

The fourth proportional to 1,109,326.23, 1,530,738.54 and 625,863.15 is: 863,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,326.23 : 1,530,738.54 = 625,863.15 : x
  2. Step 2: Convert to fraction form
    1,109,326.23/1,530,738.54 = 625,863.15/x
  3. Step 3: Cross multiply
    1,109,326.23x = 1,530,738.54 × 625,863.15
  4. Step 4: Simplify right side
    1,109,326.23x = 958,032,844,470.80
  5. Step 5: Solve for x
    x = 958,032,844,470.80/1,109,326.23
  6. Step 6: Final answer
    x = 863,616.87

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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.