Home / 1,786,578.37-2,465,493.72-970,782.06

Finding the Fourth Proportional to 1,786,578.37, 2,465,493.72 and 970,782.06

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Solution

The fourth proportional to 1,786,578.37, 2,465,493.72 and 970,782.06 is: 1,339,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,578.37 : 2,465,493.72 = 970,782.06 : x
  2. Step 2: Convert to fraction form
    1,786,578.37/2,465,493.72 = 970,782.06/x
  3. Step 3: Cross multiply
    1,786,578.37x = 2,465,493.72 × 970,782.06
  4. Step 4: Simplify right side
    1,786,578.37x = 2,393,457,072,418.66
  5. Step 5: Solve for x
    x = 2,393,457,072,418.66/1,786,578.37
  6. Step 6: Final answer
    x = 1,339,687.70

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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.