Home / 1,331,535-1,837,524.78-727,923

Finding the Fourth Proportional to 1,331,535, 1,837,524.78 and 727,923

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Solution

The fourth proportional to 1,331,535, 1,837,524.78 and 727,923 is: 1,004,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,535 : 1,837,524.78 = 727,923 : x
  2. Step 2: Convert to fraction form
    1,331,535/1,837,524.78 = 727,923/x
  3. Step 3: Cross multiply
    1,331,535x = 1,837,524.78 × 727,923
  4. Step 4: Simplify right side
    1,331,535x = 1,337,576,550,431.94
  5. Step 5: Solve for x
    x = 1,337,576,550,431.94/1,331,535
  6. Step 6: Final answer
    x = 1,004,537.28

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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.