Home / 1,135,180.78-1,566,561.69-618,930.46

Finding the Fourth Proportional to 1,135,180.78, 1,566,561.69 and 618,930.46

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Solution

The fourth proportional to 1,135,180.78, 1,566,561.69 and 618,930.46 is: 854,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,180.78 : 1,566,561.69 = 618,930.46 : x
  2. Step 2: Convert to fraction form
    1,135,180.78/1,566,561.69 = 618,930.46/x
  3. Step 3: Cross multiply
    1,135,180.78x = 1,566,561.69 × 618,930.46
  4. Step 4: Simplify right side
    1,135,180.78x = 969,592,747,410.08
  5. Step 5: Solve for x
    x = 969,592,747,410.08/1,135,180.78
  6. Step 6: Final answer
    x = 854,130.69

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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.