Home / 1,431,610.50-1,975,660.22-787,046.93

Finding the Fourth Proportional to 1,431,610.50, 1,975,660.22 and 787,046.93

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Solution

The fourth proportional to 1,431,610.50, 1,975,660.22 and 787,046.93 is: 1,086,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,610.50 : 1,975,660.22 = 787,046.93 : x
  2. Step 2: Convert to fraction form
    1,431,610.50/1,975,660.22 = 787,046.93/x
  3. Step 3: Cross multiply
    1,431,610.50x = 1,975,660.22 × 787,046.93
  4. Step 4: Simplify right side
    1,431,610.50x = 1,554,937,305,945.03
  5. Step 5: Solve for x
    x = 1,554,937,305,945.03/1,431,610.50
  6. Step 6: Final answer
    x = 1,086,145.50

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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.