Home / 1,615,121.20-2,228,477.20-1,063,778.50

Finding the Fourth Proportional to 1,615,121.20, 2,228,477.20 and 1,063,778.50

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Solution

The fourth proportional to 1,615,121.20, 2,228,477.20 and 1,063,778.50 is: 1,467,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,121.20 : 2,228,477.20 = 1,063,778.50 : x
  2. Step 2: Convert to fraction form
    1,615,121.20/2,228,477.20 = 1,063,778.50/x
  3. Step 3: Cross multiply
    1,615,121.20x = 2,228,477.20 × 1,063,778.50
  4. Step 4: Simplify right side
    1,615,121.20x = 2,370,606,133,100.20
  5. Step 5: Solve for x
    x = 2,370,606,133,100.20/1,615,121.20
  6. Step 6: Final answer
    x = 1,467,757.42

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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.