Home / 1,434,067.27-1,979,128.51-822,276.96

Finding the Fourth Proportional to 1,434,067.27, 1,979,128.51 and 822,276.96

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Solution

The fourth proportional to 1,434,067.27, 1,979,128.51 and 822,276.96 is: 1,134,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,067.27 : 1,979,128.51 = 822,276.96 : x
  2. Step 2: Convert to fraction form
    1,434,067.27/1,979,128.51 = 822,276.96/x
  3. Step 3: Cross multiply
    1,434,067.27x = 1,979,128.51 × 822,276.96
  4. Step 4: Simplify right side
    1,434,067.27x = 1,627,391,774,652.13
  5. Step 5: Solve for x
    x = 1,627,391,774,652.13/1,434,067.27
  6. Step 6: Final answer
    x = 1,134,808.53

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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.