Home / 1,220,556.44-1,684,467.15-676,862.57

Finding the Fourth Proportional to 1,220,556.44, 1,684,467.15 and 676,862.57

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Solution

The fourth proportional to 1,220,556.44, 1,684,467.15 and 676,862.57 is: 934,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,556.44 : 1,684,467.15 = 676,862.57 : x
  2. Step 2: Convert to fraction form
    1,220,556.44/1,684,467.15 = 676,862.57/x
  3. Step 3: Cross multiply
    1,220,556.44x = 1,684,467.15 × 676,862.57
  4. Step 4: Simplify right side
    1,220,556.44x = 1,140,152,764,229.58
  5. Step 5: Solve for x
    x = 1,140,152,764,229.58/1,220,556.44
  6. Step 6: Final answer
    x = 934,125.39

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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.