Home / 1,755,473.82-2,632,463.04-689,768.31

Finding the Fourth Proportional to 1,755,473.82, 2,632,463.04 and 689,768.31

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Solution

The fourth proportional to 1,755,473.82, 2,632,463.04 and 689,768.31 is: 1,034,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,473.82 : 2,632,463.04 = 689,768.31 : x
  2. Step 2: Convert to fraction form
    1,755,473.82/2,632,463.04 = 689,768.31/x
  3. Step 3: Cross multiply
    1,755,473.82x = 2,632,463.04 × 689,768.31
  4. Step 4: Simplify right side
    1,755,473.82x = 1,815,789,582,238.26
  5. Step 5: Solve for x
    x = 1,815,789,582,238.26/1,755,473.82
  6. Step 6: Final answer
    x = 1,034,358.68

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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.