Home / 1,491,285.78-2,057,847.96-837,860.64

Finding the Fourth Proportional to 1,491,285.78, 2,057,847.96 and 837,860.64

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Solution

The fourth proportional to 1,491,285.78, 2,057,847.96 and 837,860.64 is: 1,156,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,285.78 : 2,057,847.96 = 837,860.64 : x
  2. Step 2: Convert to fraction form
    1,491,285.78/2,057,847.96 = 837,860.64/x
  3. Step 3: Cross multiply
    1,491,285.78x = 2,057,847.96 × 837,860.64
  4. Step 4: Simplify right side
    1,491,285.78x = 1,724,189,808,788.29
  5. Step 5: Solve for x
    x = 1,724,189,808,788.29/1,491,285.78
  6. Step 6: Final answer
    x = 1,156,176.66

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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.