Home / 1,260,122.56-1,889,926.08-361,323.52

Finding the Fourth Proportional to 1,260,122.56, 1,889,926.08 and 361,323.52

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Solution

The fourth proportional to 1,260,122.56, 1,889,926.08 and 361,323.52 is: 541,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,122.56 : 1,889,926.08 = 361,323.52 : x
  2. Step 2: Convert to fraction form
    1,260,122.56/1,889,926.08 = 361,323.52/x
  3. Step 3: Cross multiply
    1,260,122.56x = 1,889,926.08 × 361,323.52
  4. Step 4: Simplify right side
    1,260,122.56x = 682,874,743,765.40
  5. Step 5: Solve for x
    x = 682,874,743,765.40/1,260,122.56
  6. Step 6: Final answer
    x = 541,911.37

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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.