Home / 1,298,714.80-1,792,221.24-725,754.84

Finding the Fourth Proportional to 1,298,714.80, 1,792,221.24 and 725,754.84

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Solution

The fourth proportional to 1,298,714.80, 1,792,221.24 and 725,754.84 is: 1,001,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,714.80 : 1,792,221.24 = 725,754.84 : x
  2. Step 2: Convert to fraction form
    1,298,714.80/1,792,221.24 = 725,754.84/x
  3. Step 3: Cross multiply
    1,298,714.80x = 1,792,221.24 × 725,754.84
  4. Step 4: Simplify right side
    1,298,714.80x = 1,300,713,239,280.80
  5. Step 5: Solve for x
    x = 1,300,713,239,280.80/1,298,714.80
  6. Step 6: Final answer
    x = 1,001,538.78

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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.