Home / 1,086,930.82-1,630,603.32-438,558.44

Finding the Fourth Proportional to 1,086,930.82, 1,630,603.32 and 438,558.44

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Solution

The fourth proportional to 1,086,930.82, 1,630,603.32 and 438,558.44 is: 657,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,930.82 : 1,630,603.32 = 438,558.44 : x
  2. Step 2: Convert to fraction form
    1,086,930.82/1,630,603.32 = 438,558.44/x
  3. Step 3: Cross multiply
    1,086,930.82x = 1,630,603.32 × 438,558.44
  4. Step 4: Simplify right side
    1,086,930.82x = 715,114,846,085.23
  5. Step 5: Solve for x
    x = 715,114,846,085.23/1,086,930.82
  6. Step 6: Final answer
    x = 657,921.22

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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.