Home / 1,336,139.20-2,004,354.60-1,294,148.80

Finding the Fourth Proportional to 1,336,139.20, 2,004,354.60 and 1,294,148.80

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Solution

The fourth proportional to 1,336,139.20, 2,004,354.60 and 1,294,148.80 is: 1,941,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,139.20 : 2,004,354.60 = 1,294,148.80 : x
  2. Step 2: Convert to fraction form
    1,336,139.20/2,004,354.60 = 1,294,148.80/x
  3. Step 3: Cross multiply
    1,336,139.20x = 2,004,354.60 × 1,294,148.80
  4. Step 4: Simplify right side
    1,336,139.20x = 2,593,933,100,364.48
  5. Step 5: Solve for x
    x = 2,593,933,100,364.48/1,336,139.20
  6. Step 6: Final answer
    x = 1,941,364.42

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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.