Home / 1,120,635-1,546,476.30-718,227

Finding the Fourth Proportional to 1,120,635, 1,546,476.30 and 718,227

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Solution

The fourth proportional to 1,120,635, 1,546,476.30 and 718,227 is: 991,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,635 : 1,546,476.30 = 718,227 : x
  2. Step 2: Convert to fraction form
    1,120,635/1,546,476.30 = 718,227/x
  3. Step 3: Cross multiply
    1,120,635x = 1,546,476.30 × 718,227
  4. Step 4: Simplify right side
    1,120,635x = 1,110,721,033,520.10
  5. Step 5: Solve for x
    x = 1,110,721,033,520.10/1,120,635
  6. Step 6: Final answer
    x = 991,153.26

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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.