Home / 1,220,519.94-1,684,416.87-676,825.98

Finding the Fourth Proportional to 1,220,519.94, 1,684,416.87 and 676,825.98

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Solution

The fourth proportional to 1,220,519.94, 1,684,416.87 and 676,825.98 is: 934,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,519.94 : 1,684,416.87 = 676,825.98 : x
  2. Step 2: Convert to fraction form
    1,220,519.94/1,684,416.87 = 676,825.98/x
  3. Step 3: Cross multiply
    1,220,519.94x = 1,684,416.87 × 676,825.98
  4. Step 4: Simplify right side
    1,220,519.94x = 1,140,057,098,766.28
  5. Step 5: Solve for x
    x = 1,140,057,098,766.28/1,220,519.94
  6. Step 6: Final answer
    x = 934,074.95

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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.