Home / 1,220,493.36-1,684,380.22-676,799.58

Finding the Fourth Proportional to 1,220,493.36, 1,684,380.22 and 676,799.58

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Solution

The fourth proportional to 1,220,493.36, 1,684,380.22 and 676,799.58 is: 934,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,493.36 : 1,684,380.22 = 676,799.58 : x
  2. Step 2: Convert to fraction form
    1,220,493.36/1,684,380.22 = 676,799.58/x
  3. Step 3: Cross multiply
    1,220,493.36x = 1,684,380.22 × 676,799.58
  4. Step 4: Simplify right side
    1,220,493.36x = 1,139,987,825,456.31
  5. Step 5: Solve for x
    x = 1,139,987,825,456.31/1,220,493.36
  6. Step 6: Final answer
    x = 934,038.53

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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.