Home / 1,790,289.72-2,470,654.22-1,267,936.13

Finding the Fourth Proportional to 1,790,289.72, 2,470,654.22 and 1,267,936.13

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Solution

The fourth proportional to 1,790,289.72, 2,470,654.22 and 1,267,936.13 is: 1,749,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,289.72 : 2,470,654.22 = 1,267,936.13 : x
  2. Step 2: Convert to fraction form
    1,790,289.72/2,470,654.22 = 1,267,936.13/x
  3. Step 3: Cross multiply
    1,790,289.72x = 2,470,654.22 × 1,267,936.13
  4. Step 4: Simplify right side
    1,790,289.72x = 3,132,631,731,582.02
  5. Step 5: Solve for x
    x = 3,132,631,731,582.02/1,790,289.72
  6. Step 6: Final answer
    x = 1,749,790.38

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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.