Home / 1,151,933.76-1,727,703.72-310,288.68

Finding the Fourth Proportional to 1,151,933.76, 1,727,703.72 and 310,288.68

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Solution

The fourth proportional to 1,151,933.76, 1,727,703.72 and 310,288.68 is: 465,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,933.76 : 1,727,703.72 = 310,288.68 : x
  2. Step 2: Convert to fraction form
    1,151,933.76/1,727,703.72 = 310,288.68/x
  3. Step 3: Cross multiply
    1,151,933.76x = 1,727,703.72 × 310,288.68
  4. Step 4: Simplify right side
    1,151,933.76x = 536,086,906,709.89
  5. Step 5: Solve for x
    x = 536,086,906,709.89/1,151,933.76
  6. Step 6: Final answer
    x = 465,379.98

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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.