Home / 931,924.89-1,288,348.16-923,399.71

Finding the Fourth Proportional to 931,924.89, 1,288,348.16 and 923,399.71

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Solution

The fourth proportional to 931,924.89, 1,288,348.16 and 923,399.71 is: 1,276,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,924.89 : 1,288,348.16 = 923,399.71 : x
  2. Step 2: Convert to fraction form
    931,924.89/1,288,348.16 = 923,399.71/x
  3. Step 3: Cross multiply
    931,924.89x = 1,288,348.16 × 923,399.71
  4. Step 4: Simplify right side
    931,924.89x = 1,189,660,309,485.16
  5. Step 5: Solve for x
    x = 1,189,660,309,485.16/931,924.89
  6. Step 6: Final answer
    x = 1,276,562.44

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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.