Home / 1,220,845.77-1,684,776.60-676,949.76

Finding the Fourth Proportional to 1,220,845.77, 1,684,776.60 and 676,949.76

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Solution

The fourth proportional to 1,220,845.77, 1,684,776.60 and 676,949.76 is: 934,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,845.77 : 1,684,776.60 = 676,949.76 : x
  2. Step 2: Convert to fraction form
    1,220,845.77/1,684,776.60 = 676,949.76/x
  3. Step 3: Cross multiply
    1,220,845.77x = 1,684,776.60 × 676,949.76
  4. Step 4: Simplify right side
    1,220,845.77x = 1,140,509,115,023.62
  5. Step 5: Solve for x
    x = 1,140,509,115,023.62/1,220,845.77
  6. Step 6: Final answer
    x = 934,195.90

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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.