Home / 1,094,083.78-1,508,645.37-711,400.90

Finding the Fourth Proportional to 1,094,083.78, 1,508,645.37 and 711,400.90

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Solution

The fourth proportional to 1,094,083.78, 1,508,645.37 and 711,400.90 is: 980,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,083.78 : 1,508,645.37 = 711,400.90 : x
  2. Step 2: Convert to fraction form
    1,094,083.78/1,508,645.37 = 711,400.90/x
  3. Step 3: Cross multiply
    1,094,083.78x = 1,508,645.37 × 711,400.90
  4. Step 4: Simplify right side
    1,094,083.78x = 1,073,251,673,998.83
  5. Step 5: Solve for x
    x = 1,073,251,673,998.83/1,094,083.78
  6. Step 6: Final answer
    x = 980,959.31

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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.