Home / 1,269,676-1,904,993.52-670,612.96

Finding the Fourth Proportional to 1,269,676, 1,904,993.52 and 670,612.96

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Solution

The fourth proportional to 1,269,676, 1,904,993.52 and 670,612.96 is: 1,006,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,676 : 1,904,993.52 = 670,612.96 : x
  2. Step 2: Convert to fraction form
    1,269,676/1,904,993.52 = 670,612.96/x
  3. Step 3: Cross multiply
    1,269,676x = 1,904,993.52 × 670,612.96
  4. Step 4: Simplify right side
    1,269,676x = 1,277,513,343,228.02
  5. Step 5: Solve for x
    x = 1,277,513,343,228.02/1,269,676
  6. Step 6: Final answer
    x = 1,006,172.71

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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.