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Finding the Fourth Proportional to 1,304,257.86, 1,799,709.57 and 760,257.54

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Solution

The fourth proportional to 1,304,257.86, 1,799,709.57 and 760,257.54 is: 1,049,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,257.86 : 1,799,709.57 = 760,257.54 : x
  2. Step 2: Convert to fraction form
    1,304,257.86/1,799,709.57 = 760,257.54/x
  3. Step 3: Cross multiply
    1,304,257.86x = 1,799,709.57 × 760,257.54
  4. Step 4: Simplify right side
    1,304,257.86x = 1,368,242,770,402.66
  5. Step 5: Solve for x
    x = 1,368,242,770,402.66/1,304,257.86
  6. Step 6: Final answer
    x = 1,049,058.48

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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.