Home / 1,792,795.75-2,688,969.77-726,813.61

Finding the Fourth Proportional to 1,792,795.75, 2,688,969.77 and 726,813.61

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Solution

The fourth proportional to 1,792,795.75, 2,688,969.77 and 726,813.61 is: 1,090,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,795.75 : 2,688,969.77 = 726,813.61 : x
  2. Step 2: Convert to fraction form
    1,792,795.75/2,688,969.77 = 726,813.61/x
  3. Step 3: Cross multiply
    1,792,795.75x = 2,688,969.77 × 726,813.61
  4. Step 4: Simplify right side
    1,792,795.75x = 1,954,379,825,714.57
  5. Step 5: Solve for x
    x = 1,954,379,825,714.57/1,792,795.75
  6. Step 6: Final answer
    x = 1,090,129.66

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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.