Home / 1,976,674-2,727,819.88-1,071,256

Finding the Fourth Proportional to 1,976,674, 2,727,819.88 and 1,071,256

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Solution

The fourth proportional to 1,976,674, 2,727,819.88 and 1,071,256 is: 1,478,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,674 : 2,727,819.88 = 1,071,256 : x
  2. Step 2: Convert to fraction form
    1,976,674/2,727,819.88 = 1,071,256/x
  3. Step 3: Cross multiply
    1,976,674x = 2,727,819.88 × 1,071,256
  4. Step 4: Simplify right side
    1,976,674x = 2,922,193,413,369.28
  5. Step 5: Solve for x
    x = 2,922,193,413,369.28/1,976,674
  6. Step 6: Final answer
    x = 1,478,338.57

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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.