Home / 1,930,755.72-2,664,266.73-1,145,686.32

Finding the Fourth Proportional to 1,930,755.72, 2,664,266.73 and 1,145,686.32

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Solution

The fourth proportional to 1,930,755.72, 2,664,266.73 and 1,145,686.32 is: 1,580,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,755.72 : 2,664,266.73 = 1,145,686.32 : x
  2. Step 2: Convert to fraction form
    1,930,755.72/2,664,266.73 = 1,145,686.32/x
  3. Step 3: Cross multiply
    1,930,755.72x = 2,664,266.73 × 1,145,686.32
  4. Step 4: Simplify right side
    1,930,755.72x = 3,052,413,945,392.13
  5. Step 5: Solve for x
    x = 3,052,413,945,392.13/1,930,755.72
  6. Step 6: Final answer
    x = 1,580,942.59

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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.