Home / 1,469,431.41-2,027,631.72-815,968.59

Finding the Fourth Proportional to 1,469,431.41, 2,027,631.72 and 815,968.59

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Solution

The fourth proportional to 1,469,431.41, 2,027,631.72 and 815,968.59 is: 1,125,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,431.41 : 2,027,631.72 = 815,968.59 : x
  2. Step 2: Convert to fraction form
    1,469,431.41/2,027,631.72 = 815,968.59/x
  3. Step 3: Cross multiply
    1,469,431.41x = 2,027,631.72 × 815,968.59
  4. Step 4: Simplify right side
    1,469,431.41x = 1,654,483,795,607.67
  5. Step 5: Solve for x
    x = 1,654,483,795,607.67/1,469,431.41
  6. Step 6: Final answer
    x = 1,125,934.69

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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.