Home / 1,458,572.16-2,188,836.72-511,945.68

Finding the Fourth Proportional to 1,458,572.16, 2,188,836.72 and 511,945.68

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Solution

The fourth proportional to 1,458,572.16, 2,188,836.72 and 511,945.68 is: 768,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,572.16 : 2,188,836.72 = 511,945.68 : x
  2. Step 2: Convert to fraction form
    1,458,572.16/2,188,836.72 = 511,945.68/x
  3. Step 3: Cross multiply
    1,458,572.16x = 2,188,836.72 × 511,945.68
  4. Step 4: Simplify right side
    1,458,572.16x = 1,120,565,503,029.37
  5. Step 5: Solve for x
    x = 1,120,565,503,029.37/1,458,572.16
  6. Step 6: Final answer
    x = 768,261.96

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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.