Home / 1,138,227.90-1,568,984.96-775,027.34

Finding the Fourth Proportional to 1,138,227.90, 1,568,984.96 and 775,027.34

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Solution

The fourth proportional to 1,138,227.90, 1,568,984.96 and 775,027.34 is: 1,068,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,227.90 : 1,568,984.96 = 775,027.34 : x
  2. Step 2: Convert to fraction form
    1,138,227.90/1,568,984.96 = 775,027.34/x
  3. Step 3: Cross multiply
    1,138,227.90x = 1,568,984.96 × 775,027.34
  4. Step 4: Simplify right side
    1,138,227.90x = 1,216,006,240,025.14
  5. Step 5: Solve for x
    x = 1,216,006,240,025.14/1,138,227.90
  6. Step 6: Final answer
    x = 1,068,332.84

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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.