Home / 1,148,661.39-1,722,991.68-307,191.27

Finding the Fourth Proportional to 1,148,661.39, 1,722,991.68 and 307,191.27

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Solution

The fourth proportional to 1,148,661.39, 1,722,991.68 and 307,191.27 is: 460,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,661.39 : 1,722,991.68 = 307,191.27 : x
  2. Step 2: Convert to fraction form
    1,148,661.39/1,722,991.68 = 307,191.27/x
  3. Step 3: Cross multiply
    1,148,661.39x = 1,722,991.68 × 307,191.27
  4. Step 4: Simplify right side
    1,148,661.39x = 529,288,002,378.63
  5. Step 5: Solve for x
    x = 529,288,002,378.63/1,148,661.39
  6. Step 6: Final answer
    x = 460,786.80

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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.