Home / 1,220,804.82-1,684,730.84-676,963.54

Finding the Fourth Proportional to 1,220,804.82, 1,684,730.84 and 676,963.54

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Solution

The fourth proportional to 1,220,804.82, 1,684,730.84 and 676,963.54 is: 934,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,804.82 : 1,684,730.84 = 676,963.54 : x
  2. Step 2: Convert to fraction form
    1,220,804.82/1,684,730.84 = 676,963.54/x
  3. Step 3: Cross multiply
    1,220,804.82x = 1,684,730.84 × 676,963.54
  4. Step 4: Simplify right side
    1,220,804.82x = 1,140,501,353,393.57
  5. Step 5: Solve for x
    x = 1,140,501,353,393.57/1,220,804.82
  6. Step 6: Final answer
    x = 934,220.88

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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.