Home / 1,218,578.24-1,681,637.76-682,034.24

Finding the Fourth Proportional to 1,218,578.24, 1,681,637.76 and 682,034.24

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Solution

The fourth proportional to 1,218,578.24, 1,681,637.76 and 682,034.24 is: 941,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,578.24 : 1,681,637.76 = 682,034.24 : x
  2. Step 2: Convert to fraction form
    1,218,578.24/1,681,637.76 = 682,034.24/x
  3. Step 3: Cross multiply
    1,218,578.24x = 1,681,637.76 × 682,034.24
  4. Step 4: Simplify right side
    1,218,578.24x = 1,146,934,531,596.90
  5. Step 5: Solve for x
    x = 1,146,934,531,596.90/1,218,578.24
  6. Step 6: Final answer
    x = 941,207.13

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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.