Home / 1,220,766.49-1,684,661.39-676,940.59

Finding the Fourth Proportional to 1,220,766.49, 1,684,661.39 and 676,940.59

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Solution

The fourth proportional to 1,220,766.49, 1,684,661.39 and 676,940.59 is: 934,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,766.49 : 1,684,661.39 = 676,940.59 : x
  2. Step 2: Convert to fraction form
    1,220,766.49/1,684,661.39 = 676,940.59/x
  3. Step 3: Cross multiply
    1,220,766.49x = 1,684,661.39 × 676,940.59
  4. Step 4: Simplify right side
    1,220,766.49x = 1,140,415,675,296.82
  5. Step 5: Solve for x
    x = 1,140,415,675,296.82/1,220,766.49
  6. Step 6: Final answer
    x = 934,180.03

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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.