Home / 1,245,625.23-1,718,604.54-810,682.87

Finding the Fourth Proportional to 1,245,625.23, 1,718,604.54 and 810,682.87

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Solution

The fourth proportional to 1,245,625.23, 1,718,604.54 and 810,682.87 is: 1,118,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,625.23 : 1,718,604.54 = 810,682.87 : x
  2. Step 2: Convert to fraction form
    1,245,625.23/1,718,604.54 = 810,682.87/x
  3. Step 3: Cross multiply
    1,245,625.23x = 1,718,604.54 × 810,682.87
  4. Step 4: Simplify right side
    1,245,625.23x = 1,393,243,260,882.23
  5. Step 5: Solve for x
    x = 1,393,243,260,882.23/1,245,625.23
  6. Step 6: Final answer
    x = 1,118,509.19

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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.