Home / 781,211.52-1,169,906.28-705,481.20

Finding the Fourth Proportional to 781,211.52, 1,169,906.28 and 705,481.20

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Solution

The fourth proportional to 781,211.52, 1,169,906.28 and 705,481.20 is: 1,056,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,211.52 : 1,169,906.28 = 705,481.20 : x
  2. Step 2: Convert to fraction form
    781,211.52/1,169,906.28 = 705,481.20/x
  3. Step 3: Cross multiply
    781,211.52x = 1,169,906.28 × 705,481.20
  4. Step 4: Simplify right side
    781,211.52x = 825,346,886,301.94
  5. Step 5: Solve for x
    x = 825,346,886,301.94/781,211.52
  6. Step 6: Final answer
    x = 1,056,496.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.