Home / 1,109,251.23-1,530,635.04-625,788.15

Finding the Fourth Proportional to 1,109,251.23, 1,530,635.04 and 625,788.15

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Solution

The fourth proportional to 1,109,251.23, 1,530,635.04 and 625,788.15 is: 863,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,251.23 : 1,530,635.04 = 625,788.15 : x
  2. Step 2: Convert to fraction form
    1,109,251.23/1,530,635.04 = 625,788.15/x
  3. Step 3: Cross multiply
    1,109,251.23x = 1,530,635.04 × 625,788.15
  4. Step 4: Simplify right side
    1,109,251.23x = 957,853,270,006.78
  5. Step 5: Solve for x
    x = 957,853,270,006.78/1,109,251.23
  6. Step 6: Final answer
    x = 863,513.37

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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.