Home / 1,284,561.38-1,772,701.47-725,758.27

Finding the Fourth Proportional to 1,284,561.38, 1,772,701.47 and 725,758.27

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Solution

The fourth proportional to 1,284,561.38, 1,772,701.47 and 725,758.27 is: 1,001,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,561.38 : 1,772,701.47 = 725,758.27 : x
  2. Step 2: Convert to fraction form
    1,284,561.38/1,772,701.47 = 725,758.27/x
  3. Step 3: Cross multiply
    1,284,561.38x = 1,772,701.47 × 725,758.27
  4. Step 4: Simplify right side
    1,284,561.38x = 1,286,552,747,661.90
  5. Step 5: Solve for x
    x = 1,286,552,747,661.90/1,284,561.38
  6. Step 6: Final answer
    x = 1,001,550.23

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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.