Home / 1,409,239.82-1,945,255.28-836,279.97

Finding the Fourth Proportional to 1,409,239.82, 1,945,255.28 and 836,279.97

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Solution

The fourth proportional to 1,409,239.82, 1,945,255.28 and 836,279.97 is: 1,154,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,239.82 : 1,945,255.28 = 836,279.97 : x
  2. Step 2: Convert to fraction form
    1,409,239.82/1,945,255.28 = 836,279.97/x
  3. Step 3: Cross multiply
    1,409,239.82x = 1,945,255.28 × 836,279.97
  4. Step 4: Simplify right side
    1,409,239.82x = 1,626,778,023,019.34
  5. Step 5: Solve for x
    x = 1,626,778,023,019.34/1,409,239.82
  6. Step 6: Final answer
    x = 1,154,365.64

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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.