Home / 1,220,749.50-1,684,454.06-676,889.25

Finding the Fourth Proportional to 1,220,749.50, 1,684,454.06 and 676,889.25

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Solution

The fourth proportional to 1,220,749.50, 1,684,454.06 and 676,889.25 is: 934,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,749.50 : 1,684,454.06 = 676,889.25 : x
  2. Step 2: Convert to fraction form
    1,220,749.50/1,684,454.06 = 676,889.25/x
  3. Step 3: Cross multiply
    1,220,749.50x = 1,684,454.06 × 676,889.25
  4. Step 4: Simplify right side
    1,220,749.50x = 1,140,188,836,910.58
  5. Step 5: Solve for x
    x = 1,140,188,836,910.58/1,220,749.50
  6. Step 6: Final answer
    x = 934,007.21

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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.