Home / 1,279,042.20-1,765,031.58-706,080.60

Finding the Fourth Proportional to 1,279,042.20, 1,765,031.58 and 706,080.60

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Solution

The fourth proportional to 1,279,042.20, 1,765,031.58 and 706,080.60 is: 974,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,042.20 : 1,765,031.58 = 706,080.60 : x
  2. Step 2: Convert to fraction form
    1,279,042.20/1,765,031.58 = 706,080.60/x
  3. Step 3: Cross multiply
    1,279,042.20x = 1,765,031.58 × 706,080.60
  4. Step 4: Simplify right side
    1,279,042.20x = 1,246,254,557,025.35
  5. Step 5: Solve for x
    x = 1,246,254,557,025.35/1,279,042.20
  6. Step 6: Final answer
    x = 974,365.47

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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.