Home / 1,790,289.21-2,470,653.53-1,267,935.63

Finding the Fourth Proportional to 1,790,289.21, 2,470,653.53 and 1,267,935.63

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Solution

The fourth proportional to 1,790,289.21, 2,470,653.53 and 1,267,935.63 is: 1,749,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,289.21 : 2,470,653.53 = 1,267,935.63 : x
  2. Step 2: Convert to fraction form
    1,790,289.21/2,470,653.53 = 1,267,935.63/x
  3. Step 3: Cross multiply
    1,790,289.21x = 2,470,653.53 × 1,267,935.63
  4. Step 4: Simplify right side
    1,790,289.21x = 3,132,629,640,072.27
  5. Step 5: Solve for x
    x = 3,132,629,640,072.27/1,790,289.21
  6. Step 6: Final answer
    x = 1,749,789.71

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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.