Home / 1,245,376.63-1,715,001.01-1,081,958.59

Finding the Fourth Proportional to 1,245,376.63, 1,715,001.01 and 1,081,958.59

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Solution

The fourth proportional to 1,245,376.63, 1,715,001.01 and 1,081,958.59 is: 1,489,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,376.63 : 1,715,001.01 = 1,081,958.59 : x
  2. Step 2: Convert to fraction form
    1,245,376.63/1,715,001.01 = 1,081,958.59/x
  3. Step 3: Cross multiply
    1,245,376.63x = 1,715,001.01 × 1,081,958.59
  4. Step 4: Simplify right side
    1,245,376.63x = 1,855,560,074,628.18
  5. Step 5: Solve for x
    x = 1,855,560,074,628.18/1,245,376.63
  6. Step 6: Final answer
    x = 1,489,958.96

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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.