Home / 1,298,694.42-1,792,195.20-725,734.56

Finding the Fourth Proportional to 1,298,694.42, 1,792,195.20 and 725,734.56

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Solution

The fourth proportional to 1,298,694.42, 1,792,195.20 and 725,734.56 is: 1,001,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,694.42 : 1,792,195.20 = 725,734.56 : x
  2. Step 2: Convert to fraction form
    1,298,694.42/1,792,195.20 = 725,734.56/x
  3. Step 3: Cross multiply
    1,298,694.42x = 1,792,195.20 × 725,734.56
  4. Step 4: Simplify right side
    1,298,694.42x = 1,300,657,994,906.11
  5. Step 5: Solve for x
    x = 1,300,657,994,906.11/1,298,694.42
  6. Step 6: Final answer
    x = 1,001,511.96

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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.