Home / 1,189,466.33-1,641,442.94-645,590.44

Finding the Fourth Proportional to 1,189,466.33, 1,641,442.94 and 645,590.44

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Solution

The fourth proportional to 1,189,466.33, 1,641,442.94 and 645,590.44 is: 890,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,466.33 : 1,641,442.94 = 645,590.44 : x
  2. Step 2: Convert to fraction form
    1,189,466.33/1,641,442.94 = 645,590.44/x
  3. Step 3: Cross multiply
    1,189,466.33x = 1,641,442.94 × 645,590.44
  4. Step 4: Simplify right side
    1,189,466.33x = 1,059,699,869,713.92
  5. Step 5: Solve for x
    x = 1,059,699,869,713.92/1,189,466.33
  6. Step 6: Final answer
    x = 890,903.63

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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.