Home / 1,319,039.68-1,978,717.92-465,936.16

Finding the Fourth Proportional to 1,319,039.68, 1,978,717.92 and 465,936.16

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Solution

The fourth proportional to 1,319,039.68, 1,978,717.92 and 465,936.16 is: 698,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,039.68 : 1,978,717.92 = 465,936.16 : x
  2. Step 2: Convert to fraction form
    1,319,039.68/1,978,717.92 = 465,936.16/x
  3. Step 3: Cross multiply
    1,319,039.68x = 1,978,717.92 × 465,936.16
  4. Step 4: Simplify right side
    1,319,039.68x = 921,956,229,367.99
  5. Step 5: Solve for x
    x = 921,956,229,367.99/1,319,039.68
  6. Step 6: Final answer
    x = 698,960.19

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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.