Home / 1,297,684.46-1,790,544.72-724,636.46

Finding the Fourth Proportional to 1,297,684.46, 1,790,544.72 and 724,636.46

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Solution

The fourth proportional to 1,297,684.46, 1,790,544.72 and 724,636.46 is: 999,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,684.46 : 1,790,544.72 = 724,636.46 : x
  2. Step 2: Convert to fraction form
    1,297,684.46/1,790,544.72 = 724,636.46/x
  3. Step 3: Cross multiply
    1,297,684.46x = 1,790,544.72 × 724,636.46
  4. Step 4: Simplify right side
    1,297,684.46x = 1,297,493,987,372.49
  5. Step 5: Solve for x
    x = 1,297,493,987,372.49/1,297,684.46
  6. Step 6: Final answer
    x = 999,853.22

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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.