Home / 1,278,279.02-1,917,090.48-379,512.24

Finding the Fourth Proportional to 1,278,279.02, 1,917,090.48 and 379,512.24

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Solution

The fourth proportional to 1,278,279.02, 1,917,090.48 and 379,512.24 is: 569,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,279.02 : 1,917,090.48 = 379,512.24 : x
  2. Step 2: Convert to fraction form
    1,278,279.02/1,917,090.48 = 379,512.24/x
  3. Step 3: Cross multiply
    1,278,279.02x = 1,917,090.48 × 379,512.24
  4. Step 4: Simplify right side
    1,278,279.02x = 727,559,296,581.56
  5. Step 5: Solve for x
    x = 727,559,296,581.56/1,278,279.02
  6. Step 6: Final answer
    x = 569,170.96

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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.