Home / 1,212,824.48-1,819,419.24-391,889.48

Finding the Fourth Proportional to 1,212,824.48, 1,819,419.24 and 391,889.48

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Solution

The fourth proportional to 1,212,824.48, 1,819,419.24 and 391,889.48 is: 587,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,824.48 : 1,819,419.24 = 391,889.48 : x
  2. Step 2: Convert to fraction form
    1,212,824.48/1,819,419.24 = 391,889.48/x
  3. Step 3: Cross multiply
    1,212,824.48x = 1,819,419.24 × 391,889.48
  4. Step 4: Simplify right side
    1,212,824.48x = 713,011,259,865.60
  5. Step 5: Solve for x
    x = 713,011,259,865.60/1,212,824.48
  6. Step 6: Final answer
    x = 587,893.20

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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.