Home / 1,279,757.32-1,766,054.27-706,785.19

Finding the Fourth Proportional to 1,279,757.32, 1,766,054.27 and 706,785.19

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Solution

The fourth proportional to 1,279,757.32, 1,766,054.27 and 706,785.19 is: 975,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,757.32 : 1,766,054.27 = 706,785.19 : x
  2. Step 2: Convert to fraction form
    1,279,757.32/1,766,054.27 = 706,785.19/x
  3. Step 3: Cross multiply
    1,279,757.32x = 1,766,054.27 × 706,785.19
  4. Step 4: Simplify right side
    1,279,757.32x = 1,248,221,000,124.09
  5. Step 5: Solve for x
    x = 1,248,221,000,124.09/1,279,757.32
  6. Step 6: Final answer
    x = 975,357.58

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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.