Home / 1,282,415.20-1,923,622.80-1,233,426.40

Finding the Fourth Proportional to 1,282,415.20, 1,923,622.80 and 1,233,426.40

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Solution

The fourth proportional to 1,282,415.20, 1,923,622.80 and 1,233,426.40 is: 1,850,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,415.20 : 1,923,622.80 = 1,233,426.40 : x
  2. Step 2: Convert to fraction form
    1,282,415.20/1,923,622.80 = 1,233,426.40/x
  3. Step 3: Cross multiply
    1,282,415.20x = 1,923,622.80 × 1,233,426.40
  4. Step 4: Simplify right side
    1,282,415.20x = 2,372,647,145,161.92
  5. Step 5: Solve for x
    x = 2,372,647,145,161.92/1,282,415.20
  6. Step 6: Final answer
    x = 1,850,139.60

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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.