Home / 1,121,871.30-1,682,816.55-373,917.30

Finding the Fourth Proportional to 1,121,871.30, 1,682,816.55 and 373,917.30

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Solution

The fourth proportional to 1,121,871.30, 1,682,816.55 and 373,917.30 is: 560,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,871.30 : 1,682,816.55 = 373,917.30 : x
  2. Step 2: Convert to fraction form
    1,121,871.30/1,682,816.55 = 373,917.30/x
  3. Step 3: Cross multiply
    1,121,871.30x = 1,682,816.55 × 373,917.30
  4. Step 4: Simplify right side
    1,121,871.30x = 629,234,220,771.32
  5. Step 5: Solve for x
    x = 629,234,220,771.32/1,121,871.30
  6. Step 6: Final answer
    x = 560,879.15

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Double scale
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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.