Home / 1,298,713.05-1,792,218.78-725,753.07

Finding the Fourth Proportional to 1,298,713.05, 1,792,218.78 and 725,753.07

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Solution

The fourth proportional to 1,298,713.05, 1,792,218.78 and 725,753.07 is: 1,001,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,713.05 : 1,792,218.78 = 725,753.07 : x
  2. Step 2: Convert to fraction form
    1,298,713.05/1,792,218.78 = 725,753.07/x
  3. Step 3: Cross multiply
    1,298,713.05x = 1,792,218.78 × 725,753.07
  4. Step 4: Simplify right side
    1,298,713.05x = 1,300,708,281,696.65
  5. Step 5: Solve for x
    x = 1,300,708,281,696.65/1,298,713.05
  6. Step 6: Final answer
    x = 1,001,536.31

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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.