Home / 1,786,234.73-2,465,015.76-970,438.23

Finding the Fourth Proportional to 1,786,234.73, 2,465,015.76 and 970,438.23

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Solution

The fourth proportional to 1,786,234.73, 2,465,015.76 and 970,438.23 is: 1,339,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,234.73 : 2,465,015.76 = 970,438.23 : x
  2. Step 2: Convert to fraction form
    1,786,234.73/2,465,015.76 = 970,438.23/x
  3. Step 3: Cross multiply
    1,786,234.73x = 2,465,015.76 × 970,438.23
  4. Step 4: Simplify right side
    1,786,234.73x = 2,392,145,531,056.50
  5. Step 5: Solve for x
    x = 2,392,145,531,056.50/1,786,234.73
  6. Step 6: Final answer
    x = 1,339,211.19

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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.