Home / 1,305,203.67-1,801,181.72-724,427.04

Finding the Fourth Proportional to 1,305,203.67, 1,801,181.72 and 724,427.04

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Solution

The fourth proportional to 1,305,203.67, 1,801,181.72 and 724,427.04 is: 999,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,203.67 : 1,801,181.72 = 724,427.04 : x
  2. Step 2: Convert to fraction form
    1,305,203.67/1,801,181.72 = 724,427.04/x
  3. Step 3: Cross multiply
    1,305,203.67x = 1,801,181.72 × 724,427.04
  4. Step 4: Simplify right side
    1,305,203.67x = 1,304,824,750,487.21
  5. Step 5: Solve for x
    x = 1,304,824,750,487.21/1,305,203.67
  6. Step 6: Final answer
    x = 999,709.69

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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.