Home / 1,108,951.88-1,530,351.78-625,515.52

Finding the Fourth Proportional to 1,108,951.88, 1,530,351.78 and 625,515.52

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Solution

The fourth proportional to 1,108,951.88, 1,530,351.78 and 625,515.52 is: 863,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,951.88 : 1,530,351.78 = 625,515.52 : x
  2. Step 2: Convert to fraction form
    1,108,951.88/1,530,351.78 = 625,515.52/x
  3. Step 3: Cross multiply
    1,108,951.88x = 1,530,351.78 × 625,515.52
  4. Step 4: Simplify right side
    1,108,951.88x = 957,258,789,449.63
  5. Step 5: Solve for x
    x = 957,258,789,449.63/1,108,951.88
  6. Step 6: Final answer
    x = 863,210.39

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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.