Home / 1,103,687.70-1,523,640.18-722,297.04

Finding the Fourth Proportional to 1,103,687.70, 1,523,640.18 and 722,297.04

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Solution

The fourth proportional to 1,103,687.70, 1,523,640.18 and 722,297.04 is: 997,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,687.70 : 1,523,640.18 = 722,297.04 : x
  2. Step 2: Convert to fraction form
    1,103,687.70/1,523,640.18 = 722,297.04/x
  3. Step 3: Cross multiply
    1,103,687.70x = 1,523,640.18 × 722,297.04
  4. Step 4: Simplify right side
    1,103,687.70x = 1,100,520,792,039.07
  5. Step 5: Solve for x
    x = 1,100,520,792,039.07/1,103,687.70
  6. Step 6: Final answer
    x = 997,130.61

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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.