Home / 724,127.26-1,086,244.18-191,644.68

Finding the Fourth Proportional to 724,127.26, 1,086,244.18 and 191,644.68

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Solution

The fourth proportional to 724,127.26, 1,086,244.18 and 191,644.68 is: 287,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,127.26 : 1,086,244.18 = 191,644.68 : x
  2. Step 2: Convert to fraction form
    724,127.26/1,086,244.18 = 191,644.68/x
  3. Step 3: Cross multiply
    724,127.26x = 1,086,244.18 × 191,644.68
  4. Step 4: Simplify right side
    724,127.26x = 208,172,918,277.96
  5. Step 5: Solve for x
    x = 208,172,918,277.96/724,127.26
  6. Step 6: Final answer
    x = 287,481.12

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1.5x scale

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.