Home / 1,026,840.82-1,416,606.42-687,418.42

Finding the Fourth Proportional to 1,026,840.82, 1,416,606.42 and 687,418.42

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Solution

The fourth proportional to 1,026,840.82, 1,416,606.42 and 687,418.42 is: 948,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,840.82 : 1,416,606.42 = 687,418.42 : x
  2. Step 2: Convert to fraction form
    1,026,840.82/1,416,606.42 = 687,418.42/x
  3. Step 3: Cross multiply
    1,026,840.82x = 1,416,606.42 × 687,418.42
  4. Step 4: Simplify right side
    1,026,840.82x = 973,801,346,998.26
  5. Step 5: Solve for x
    x = 973,801,346,998.26/1,026,840.82
  6. Step 6: Final answer
    x = 948,346.94

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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.