Home / 1,305,166.37-1,801,102.43-724,355.80

Finding the Fourth Proportional to 1,305,166.37, 1,801,102.43 and 724,355.80

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Solution

The fourth proportional to 1,305,166.37, 1,801,102.43 and 724,355.80 is: 999,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,166.37 : 1,801,102.43 = 724,355.80 : x
  2. Step 2: Convert to fraction form
    1,305,166.37/1,801,102.43 = 724,355.80/x
  3. Step 3: Cross multiply
    1,305,166.37x = 1,801,102.43 × 724,355.80
  4. Step 4: Simplify right side
    1,305,166.37x = 1,304,638,988,872.73
  5. Step 5: Solve for x
    x = 1,304,638,988,872.73/1,305,166.37
  6. Step 6: Final answer
    x = 999,595.93

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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.