Home / 1,369,760.20-2,054,640.30-621,806.20

Finding the Fourth Proportional to 1,369,760.20, 2,054,640.30 and 621,806.20

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Solution

The fourth proportional to 1,369,760.20, 2,054,640.30 and 621,806.20 is: 932,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,760.20 : 2,054,640.30 = 621,806.20 : x
  2. Step 2: Convert to fraction form
    1,369,760.20/2,054,640.30 = 621,806.20/x
  3. Step 3: Cross multiply
    1,369,760.20x = 2,054,640.30 × 621,806.20
  4. Step 4: Simplify right side
    1,369,760.20x = 1,277,588,077,309.86
  5. Step 5: Solve for x
    x = 1,277,588,077,309.86/1,369,760.20
  6. Step 6: Final answer
    x = 932,709.30

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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.