Home / 1,427,233.89-1,969,609.77-782,615.64

Finding the Fourth Proportional to 1,427,233.89, 1,969,609.77 and 782,615.64

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Solution

The fourth proportional to 1,427,233.89, 1,969,609.77 and 782,615.64 is: 1,080,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,233.89 : 1,969,609.77 = 782,615.64 : x
  2. Step 2: Convert to fraction form
    1,427,233.89/1,969,609.77 = 782,615.64/x
  3. Step 3: Cross multiply
    1,427,233.89x = 1,969,609.77 × 782,615.64
  4. Step 4: Simplify right side
    1,427,233.89x = 1,541,447,410,698.80
  5. Step 5: Solve for x
    x = 1,541,447,410,698.80/1,427,233.89
  6. Step 6: Final answer
    x = 1,080,024.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.