Home / 1,713,687.20-2,570,012.66-515,291.39

Finding the Fourth Proportional to 1,713,687.20, 2,570,012.66 and 515,291.39

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Solution

The fourth proportional to 1,713,687.20, 2,570,012.66 and 515,291.39 is: 772,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713,687.20 : 2,570,012.66 = 515,291.39 : x
  2. Step 2: Convert to fraction form
    1,713,687.20/2,570,012.66 = 515,291.39/x
  3. Step 3: Cross multiply
    1,713,687.20x = 2,570,012.66 × 515,291.39
  4. Step 4: Simplify right side
    1,713,687.20x = 1,324,305,393,312.54
  5. Step 5: Solve for x
    x = 1,324,305,393,312.54/1,713,687.20
  6. Step 6: Final answer
    x = 772,781.28

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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.