Home / 1,679,334.38-2,515,309.23-1,387,842.43

Finding the Fourth Proportional to 1,679,334.38, 2,515,309.23 and 1,387,842.43

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Solution

The fourth proportional to 1,679,334.38, 2,515,309.23 and 1,387,842.43 is: 2,078,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,334.38 : 2,515,309.23 = 1,387,842.43 : x
  2. Step 2: Convert to fraction form
    1,679,334.38/2,515,309.23 = 1,387,842.43/x
  3. Step 3: Cross multiply
    1,679,334.38x = 2,515,309.23 × 1,387,842.43
  4. Step 4: Simplify right side
    1,679,334.38x = 3,490,852,873,964.63
  5. Step 5: Solve for x
    x = 3,490,852,873,964.63/1,679,334.38
  6. Step 6: Final answer
    x = 2,078,712.21

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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.