Home / 1,511,734.68-2,086,241.64-823,427.22

Finding the Fourth Proportional to 1,511,734.68, 2,086,241.64 and 823,427.22

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Solution

The fourth proportional to 1,511,734.68, 2,086,241.64 and 823,427.22 is: 1,136,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,734.68 : 2,086,241.64 = 823,427.22 : x
  2. Step 2: Convert to fraction form
    1,511,734.68/2,086,241.64 = 823,427.22/x
  3. Step 3: Cross multiply
    1,511,734.68x = 2,086,241.64 × 823,427.22
  4. Step 4: Simplify right side
    1,511,734.68x = 1,717,868,153,873.44
  5. Step 5: Solve for x
    x = 1,717,868,153,873.44/1,511,734.68
  6. Step 6: Final answer
    x = 1,136,355.59

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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.