Home / 1,199,313.12-1,654,892.21-770,174.51

Finding the Fourth Proportional to 1,199,313.12, 1,654,892.21 and 770,174.51

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Solution

The fourth proportional to 1,199,313.12, 1,654,892.21 and 770,174.51 is: 1,062,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,313.12 : 1,654,892.21 = 770,174.51 : x
  2. Step 2: Convert to fraction form
    1,199,313.12/1,654,892.21 = 770,174.51/x
  3. Step 3: Cross multiply
    1,199,313.12x = 1,654,892.21 × 770,174.51
  4. Step 4: Simplify right side
    1,199,313.12x = 1,274,555,784,814.23
  5. Step 5: Solve for x
    x = 1,274,555,784,814.23/1,199,313.12
  6. Step 6: Final answer
    x = 1,062,738.13

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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.