Home / 1,108,850.72-1,530,211.91-625,414.37

Finding the Fourth Proportional to 1,108,850.72, 1,530,211.91 and 625,414.37

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Solution

The fourth proportional to 1,108,850.72, 1,530,211.91 and 625,414.37 is: 863,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,850.72 : 1,530,211.91 = 625,414.37 : x
  2. Step 2: Convert to fraction form
    1,108,850.72/1,530,211.91 = 625,414.37/x
  3. Step 3: Cross multiply
    1,108,850.72x = 1,530,211.91 × 625,414.37
  4. Step 4: Simplify right side
    1,108,850.72x = 957,016,506,881.02
  5. Step 5: Solve for x
    x = 957,016,506,881.02/1,108,850.72
  6. Step 6: Final answer
    x = 863,070.65

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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.