Home / 1,237,012.32-1,707,035.70-685,704.87

Finding the Fourth Proportional to 1,237,012.32, 1,707,035.70 and 685,704.87

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Solution

The fourth proportional to 1,237,012.32, 1,707,035.70 and 685,704.87 is: 946,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,012.32 : 1,707,035.70 = 685,704.87 : x
  2. Step 2: Convert to fraction form
    1,237,012.32/1,707,035.70 = 685,704.87/x
  3. Step 3: Cross multiply
    1,237,012.32x = 1,707,035.70 × 685,704.87
  4. Step 4: Simplify right side
    1,237,012.32x = 1,170,522,692,753.86
  5. Step 5: Solve for x
    x = 1,170,522,692,753.86/1,237,012.32
  6. Step 6: Final answer
    x = 946,249.83

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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.