Home / 1,263,771.10-1,895,656.64-422,322.85

Finding the Fourth Proportional to 1,263,771.10, 1,895,656.64 and 422,322.85

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Solution

The fourth proportional to 1,263,771.10, 1,895,656.64 and 422,322.85 is: 633,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,771.10 : 1,895,656.64 = 422,322.85 : x
  2. Step 2: Convert to fraction form
    1,263,771.10/1,895,656.64 = 422,322.85/x
  3. Step 3: Cross multiply
    1,263,771.10x = 1,895,656.64 × 422,322.85
  4. Step 4: Simplify right side
    1,263,771.10x = 800,579,111,142.89
  5. Step 5: Solve for x
    x = 800,579,111,142.89/1,263,771.10
  6. Step 6: Final answer
    x = 633,484.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.