Home / 1,427,368.91-1,969,794.45-782,783.46

Finding the Fourth Proportional to 1,427,368.91, 1,969,794.45 and 782,783.46

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Solution

The fourth proportional to 1,427,368.91, 1,969,794.45 and 782,783.46 is: 1,080,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,368.91 : 1,969,794.45 = 782,783.46 : x
  2. Step 2: Convert to fraction form
    1,427,368.91/1,969,794.45 = 782,783.46/x
  3. Step 3: Cross multiply
    1,427,368.91x = 1,969,794.45 × 782,783.46
  4. Step 4: Simplify right side
    1,427,368.91x = 1,541,922,515,059.80
  5. Step 5: Solve for x
    x = 1,541,922,515,059.80/1,427,368.91
  6. Step 6: Final answer
    x = 1,080,255.08

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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.