Home / 1,351,215.48-1,864,648.62-739,365.88

Finding the Fourth Proportional to 1,351,215.48, 1,864,648.62 and 739,365.88

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Solution

The fourth proportional to 1,351,215.48, 1,864,648.62 and 739,365.88 is: 1,020,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,215.48 : 1,864,648.62 = 739,365.88 : x
  2. Step 2: Convert to fraction form
    1,351,215.48/1,864,648.62 = 739,365.88/x
  3. Step 3: Cross multiply
    1,351,215.48x = 1,864,648.62 × 739,365.88
  4. Step 4: Simplify right side
    1,351,215.48x = 1,378,657,567,817.09
  5. Step 5: Solve for x
    x = 1,378,657,567,817.09/1,351,215.48
  6. Step 6: Final answer
    x = 1,020,309.19

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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.