Home / 1,345,450.70-2,019,121.73-1,216,814.96

Finding the Fourth Proportional to 1,345,450.70, 2,019,121.73 and 1,216,814.96

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Solution

The fourth proportional to 1,345,450.70, 2,019,121.73 and 1,216,814.96 is: 1,826,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,450.70 : 2,019,121.73 = 1,216,814.96 : x
  2. Step 2: Convert to fraction form
    1,345,450.70/2,019,121.73 = 1,216,814.96/x
  3. Step 3: Cross multiply
    1,345,450.70x = 2,019,121.73 × 1,216,814.96
  4. Step 4: Simplify right side
    1,345,450.70x = 2,456,897,519,294.31
  5. Step 5: Solve for x
    x = 2,456,897,519,294.31/1,345,450.70
  6. Step 6: Final answer
    x = 1,826,077.70

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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.