Home / 1,210,450-1,815,149.84-411,516.96

Finding the Fourth Proportional to 1,210,450, 1,815,149.84 and 411,516.96

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Solution

The fourth proportional to 1,210,450, 1,815,149.84 and 411,516.96 is: 617,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,450 : 1,815,149.84 = 411,516.96 : x
  2. Step 2: Convert to fraction form
    1,210,450/1,815,149.84 = 411,516.96/x
  3. Step 3: Cross multiply
    1,210,450x = 1,815,149.84 × 411,516.96
  4. Step 4: Simplify right side
    1,210,450x = 746,964,944,101.29
  5. Step 5: Solve for x
    x = 746,964,944,101.29/1,210,450
  6. Step 6: Final answer
    x = 617,096.90

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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.