Home / 1,203,999.40-1,805,999.10-493,791.40

Finding the Fourth Proportional to 1,203,999.40, 1,805,999.10 and 493,791.40

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Solution

The fourth proportional to 1,203,999.40, 1,805,999.10 and 493,791.40 is: 740,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,999.40 : 1,805,999.10 = 493,791.40 : x
  2. Step 2: Convert to fraction form
    1,203,999.40/1,805,999.10 = 493,791.40/x
  3. Step 3: Cross multiply
    1,203,999.40x = 1,805,999.10 × 493,791.40
  4. Step 4: Simplify right side
    1,203,999.40x = 891,786,823,987.74
  5. Step 5: Solve for x
    x = 891,786,823,987.74/1,203,999.40
  6. Step 6: Final answer
    x = 740,687.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.