Home / 1,210,456.98-1,815,160.32-411,523.92

Finding the Fourth Proportional to 1,210,456.98, 1,815,160.32 and 411,523.92

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Solution

The fourth proportional to 1,210,456.98, 1,815,160.32 and 411,523.92 is: 617,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,456.98 : 1,815,160.32 = 411,523.92 : x
  2. Step 2: Convert to fraction form
    1,210,456.98/1,815,160.32 = 411,523.92/x
  3. Step 3: Cross multiply
    1,210,456.98x = 1,815,160.32 × 411,523.92
  4. Step 4: Simplify right side
    1,210,456.98x = 746,981,890,314.85
  5. Step 5: Solve for x
    x = 746,981,890,314.85/1,210,456.98
  6. Step 6: Final answer
    x = 617,107.34

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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.