Home / 1,268,325.46-1,902,780.99-426,856.66

Finding the Fourth Proportional to 1,268,325.46, 1,902,780.99 and 426,856.66

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Solution

The fourth proportional to 1,268,325.46, 1,902,780.99 and 426,856.66 is: 640,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,325.46 : 1,902,780.99 = 426,856.66 : x
  2. Step 2: Convert to fraction form
    1,268,325.46/1,902,780.99 = 426,856.66/x
  3. Step 3: Cross multiply
    1,268,325.46x = 1,902,780.99 × 426,856.66
  4. Step 4: Simplify right side
    1,268,325.46x = 812,214,738,102.89
  5. Step 5: Solve for x
    x = 812,214,738,102.89/1,268,325.46
  6. Step 6: Final answer
    x = 640,383.53

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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.