Home / 1,298,665.14-1,792,144.68-725,705.32

Finding the Fourth Proportional to 1,298,665.14, 1,792,144.68 and 725,705.32

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Solution

The fourth proportional to 1,298,665.14, 1,792,144.68 and 725,705.32 is: 1,001,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,665.14 : 1,792,144.68 = 725,705.32 : x
  2. Step 2: Convert to fraction form
    1,298,665.14/1,792,144.68 = 725,705.32/x
  3. Step 3: Cross multiply
    1,298,665.14x = 1,792,144.68 × 725,705.32
  4. Step 4: Simplify right side
    1,298,665.14x = 1,300,568,928,485.70
  5. Step 5: Solve for x
    x = 1,300,568,928,485.70/1,298,665.14
  6. Step 6: Final answer
    x = 1,001,465.96

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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.