Home / 1,063,581.82-1,468,284.90-821,320.54

Finding the Fourth Proportional to 1,063,581.82, 1,468,284.90 and 821,320.54

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Solution

The fourth proportional to 1,063,581.82, 1,468,284.90 and 821,320.54 is: 1,133,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,581.82 : 1,468,284.90 = 821,320.54 : x
  2. Step 2: Convert to fraction form
    1,063,581.82/1,468,284.90 = 821,320.54/x
  3. Step 3: Cross multiply
    1,063,581.82x = 1,468,284.90 × 821,320.54
  4. Step 4: Simplify right side
    1,063,581.82x = 1,205,932,539,600.42
  5. Step 5: Solve for x
    x = 1,205,932,539,600.42/1,063,581.82
  6. Step 6: Final answer
    x = 1,133,840.88

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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.