Home / 1,637,660.80-2,456,836.80-515,843.20

Finding the Fourth Proportional to 1,637,660.80, 2,456,836.80 and 515,843.20

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Solution

The fourth proportional to 1,637,660.80, 2,456,836.80 and 515,843.20 is: 773,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,660.80 : 2,456,836.80 = 515,843.20 : x
  2. Step 2: Convert to fraction form
    1,637,660.80/2,456,836.80 = 515,843.20/x
  3. Step 3: Cross multiply
    1,637,660.80x = 2,456,836.80 × 515,843.20
  4. Step 4: Simplify right side
    1,637,660.80x = 1,267,342,556,789.76
  5. Step 5: Solve for x
    x = 1,267,342,556,789.76/1,637,660.80
  6. Step 6: Final answer
    x = 773,873.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.