Home / 1,305,765.36-1,801,969.56-724,998

Finding the Fourth Proportional to 1,305,765.36, 1,801,969.56 and 724,998

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Solution

The fourth proportional to 1,305,765.36, 1,801,969.56 and 724,998 is: 1,000,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,765.36 : 1,801,969.56 = 724,998 : x
  2. Step 2: Convert to fraction form
    1,305,765.36/1,801,969.56 = 724,998/x
  3. Step 3: Cross multiply
    1,305,765.36x = 1,801,969.56 × 724,998
  4. Step 4: Simplify right side
    1,305,765.36x = 1,306,424,327,060.88
  5. Step 5: Solve for x
    x = 1,306,424,327,060.88/1,305,765.36
  6. Step 6: Final answer
    x = 1,000,504.66

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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.