Home / 1,305,481.46-1,801,578.93-724,743.86

Finding the Fourth Proportional to 1,305,481.46, 1,801,578.93 and 724,743.86

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Solution

The fourth proportional to 1,305,481.46, 1,801,578.93 and 724,743.86 is: 1,000,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,481.46 : 1,801,578.93 = 724,743.86 : x
  2. Step 2: Convert to fraction form
    1,305,481.46/1,801,578.93 = 724,743.86/x
  3. Step 3: Cross multiply
    1,305,481.46x = 1,801,578.93 × 724,743.86
  4. Step 4: Simplify right side
    1,305,481.46x = 1,305,683,267,822.87
  5. Step 5: Solve for x
    x = 1,305,683,267,822.87/1,305,481.46
  6. Step 6: Final answer
    x = 1,000,154.58

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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.