Home / 1,276,690.41-1,915,101.23-330,069.33

Finding the Fourth Proportional to 1,276,690.41, 1,915,101.23 and 330,069.33

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Solution

The fourth proportional to 1,276,690.41, 1,915,101.23 and 330,069.33 is: 495,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,690.41 : 1,915,101.23 = 330,069.33 : x
  2. Step 2: Convert to fraction form
    1,276,690.41/1,915,101.23 = 330,069.33/x
  3. Step 3: Cross multiply
    1,276,690.41x = 1,915,101.23 × 330,069.33
  4. Step 4: Simplify right side
    1,276,690.41x = 632,116,178,217.93
  5. Step 5: Solve for x
    x = 632,116,178,217.93/1,276,690.41
  6. Step 6: Final answer
    x = 495,120.96

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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.