Home / 1,481,112.40-2,221,150.20-770,904.40

Finding the Fourth Proportional to 1,481,112.40, 2,221,150.20 and 770,904.40

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Solution

The fourth proportional to 1,481,112.40, 2,221,150.20 and 770,904.40 is: 1,156,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,112.40 : 2,221,150.20 = 770,904.40 : x
  2. Step 2: Convert to fraction form
    1,481,112.40/2,221,150.20 = 770,904.40/x
  3. Step 3: Cross multiply
    1,481,112.40x = 2,221,150.20 × 770,904.40
  4. Step 4: Simplify right side
    1,481,112.40x = 1,712,294,462,240.88
  5. Step 5: Solve for x
    x = 1,712,294,462,240.88/1,481,112.40
  6. Step 6: Final answer
    x = 1,156,086.78

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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.