Home / 1,209,953.02-1,814,917.18-311,391.26

Finding the Fourth Proportional to 1,209,953.02, 1,814,917.18 and 311,391.26

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Solution

The fourth proportional to 1,209,953.02, 1,814,917.18 and 311,391.26 is: 467,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,953.02 : 1,814,917.18 = 311,391.26 : x
  2. Step 2: Convert to fraction form
    1,209,953.02/1,814,917.18 = 311,391.26/x
  3. Step 3: Cross multiply
    1,209,953.02x = 1,814,917.18 × 311,391.26
  4. Step 4: Simplify right side
    1,209,953.02x = 565,149,347,475.85
  5. Step 5: Solve for x
    x = 565,149,347,475.85/1,209,953.02
  6. Step 6: Final answer
    x = 467,083.71

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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.