Home / 1,317,586.72-1,811,288.60-1,133,150.80

Finding the Fourth Proportional to 1,317,586.72, 1,811,288.60 and 1,133,150.80

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Solution

The fourth proportional to 1,317,586.72, 1,811,288.60 and 1,133,150.80 is: 1,557,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,586.72 : 1,811,288.60 = 1,133,150.80 : x
  2. Step 2: Convert to fraction form
    1,317,586.72/1,811,288.60 = 1,133,150.80/x
  3. Step 3: Cross multiply
    1,317,586.72x = 1,811,288.60 × 1,133,150.80
  4. Step 4: Simplify right side
    1,317,586.72x = 2,052,463,126,120.88
  5. Step 5: Solve for x
    x = 2,052,463,126,120.88/1,317,586.72
  6. Step 6: Final answer
    x = 1,557,744.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.