Home / 1,209,950.01-1,814,912.69-311,388.26

Finding the Fourth Proportional to 1,209,950.01, 1,814,912.69 and 311,388.26

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Solution

The fourth proportional to 1,209,950.01, 1,814,912.69 and 311,388.26 is: 467,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,950.01 : 1,814,912.69 = 311,388.26 : x
  2. Step 2: Convert to fraction form
    1,209,950.01/1,814,912.69 = 311,388.26/x
  3. Step 3: Cross multiply
    1,209,950.01x = 1,814,912.69 × 311,388.26
  4. Step 4: Simplify right side
    1,209,950.01x = 565,142,493,959.52
  5. Step 5: Solve for x
    x = 565,142,493,959.52/1,209,950.01
  6. Step 6: Final answer
    x = 467,079.21

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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.