Home / 1,220,552.55-1,684,462.33-676,858.88

Finding the Fourth Proportional to 1,220,552.55, 1,684,462.33 and 676,858.88

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Solution

The fourth proportional to 1,220,552.55, 1,684,462.33 and 676,858.88 is: 934,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,552.55 : 1,684,462.33 = 676,858.88 : x
  2. Step 2: Convert to fraction form
    1,220,552.55/1,684,462.33 = 676,858.88/x
  3. Step 3: Cross multiply
    1,220,552.55x = 1,684,462.33 × 676,858.88
  4. Step 4: Simplify right side
    1,220,552.55x = 1,140,143,291,143.22
  5. Step 5: Solve for x
    x = 1,140,143,291,143.22/1,220,552.55
  6. Step 6: Final answer
    x = 934,120.61

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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.