Home / 1,491,284.78-2,057,846.58-837,859.64

Finding the Fourth Proportional to 1,491,284.78, 2,057,846.58 and 837,859.64

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Solution

The fourth proportional to 1,491,284.78, 2,057,846.58 and 837,859.64 is: 1,156,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,284.78 : 2,057,846.58 = 837,859.64 : x
  2. Step 2: Convert to fraction form
    1,491,284.78/2,057,846.58 = 837,859.64/x
  3. Step 3: Cross multiply
    1,491,284.78x = 2,057,846.58 × 837,859.64
  4. Step 4: Simplify right side
    1,491,284.78x = 1,724,186,594,694.03
  5. Step 5: Solve for x
    x = 1,724,186,594,694.03/1,491,284.78
  6. Step 6: Final answer
    x = 1,156,175.28

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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.