Home / 791,982.80-1,186,005.86-724,789.92

Finding the Fourth Proportional to 791,982.80, 1,186,005.86 and 724,789.92

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Solution

The fourth proportional to 791,982.80, 1,186,005.86 and 724,789.92 is: 1,085,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,982.80 : 1,186,005.86 = 724,789.92 : x
  2. Step 2: Convert to fraction form
    791,982.80/1,186,005.86 = 724,789.92/x
  3. Step 3: Cross multiply
    791,982.80x = 1,186,005.86 × 724,789.92
  4. Step 4: Simplify right side
    791,982.80x = 859,605,095,930.47
  5. Step 5: Solve for x
    x = 859,605,095,930.47/791,982.80
  6. Step 6: Final answer
    x = 1,085,383.54

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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.