Home / 1,792,809.60-2,689,149.60-727,821.60

Finding the Fourth Proportional to 1,792,809.60, 2,689,149.60 and 727,821.60

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Solution

The fourth proportional to 1,792,809.60, 2,689,149.60 and 727,821.60 is: 1,091,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,809.60 : 2,689,149.60 = 727,821.60 : x
  2. Step 2: Convert to fraction form
    1,792,809.60/2,689,149.60 = 727,821.60/x
  3. Step 3: Cross multiply
    1,792,809.60x = 2,689,149.60 × 727,821.60
  4. Step 4: Simplify right side
    1,792,809.60x = 1,957,221,164,511.36
  5. Step 5: Solve for x
    x = 1,957,221,164,511.36/1,792,809.60
  6. Step 6: Final answer
    x = 1,091,706.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.