Home / 1,431,583.72-1,975,623.26-787,020.14

Finding the Fourth Proportional to 1,431,583.72, 1,975,623.26 and 787,020.14

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Solution

The fourth proportional to 1,431,583.72, 1,975,623.26 and 787,020.14 is: 1,086,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,583.72 : 1,975,623.26 = 787,020.14 : x
  2. Step 2: Convert to fraction form
    1,431,583.72/1,975,623.26 = 787,020.14/x
  3. Step 3: Cross multiply
    1,431,583.72x = 1,975,623.26 × 787,020.14
  4. Step 4: Simplify right side
    1,431,583.72x = 1,554,855,295,676.41
  5. Step 5: Solve for x
    x = 1,554,855,295,676.41/1,431,583.72
  6. Step 6: Final answer
    x = 1,086,108.54

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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.