Home / 1,102,227.08-1,520,968.39-618,681.38

Finding the Fourth Proportional to 1,102,227.08, 1,520,968.39 and 618,681.38

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Solution

The fourth proportional to 1,102,227.08, 1,520,968.39 and 618,681.38 is: 853,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,227.08 : 1,520,968.39 = 618,681.38 : x
  2. Step 2: Convert to fraction form
    1,102,227.08/1,520,968.39 = 618,681.38/x
  3. Step 3: Cross multiply
    1,102,227.08x = 1,520,968.39 × 618,681.38
  4. Step 4: Simplify right side
    1,102,227.08x = 940,994,813,310.03
  5. Step 5: Solve for x
    x = 940,994,813,310.03/1,102,227.08
  6. Step 6: Final answer
    x = 853,721.37

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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.