Home / 1,243,001.44-1,715,286.96-760,376.80

Finding the Fourth Proportional to 1,243,001.44, 1,715,286.96 and 760,376.80

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Solution

The fourth proportional to 1,243,001.44, 1,715,286.96 and 760,376.80 is: 1,049,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,001.44 : 1,715,286.96 = 760,376.80 : x
  2. Step 2: Convert to fraction form
    1,243,001.44/1,715,286.96 = 760,376.80/x
  3. Step 3: Cross multiply
    1,243,001.44x = 1,715,286.96 × 760,376.80
  4. Step 4: Simplify right side
    1,243,001.44x = 1,304,264,409,726.53
  5. Step 5: Solve for x
    x = 1,304,264,409,726.53/1,243,001.44
  6. Step 6: Final answer
    x = 1,049,286.32

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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.