Home / 1,285,334.70-1,928,002.05-1,080,048.30

Finding the Fourth Proportional to 1,285,334.70, 1,928,002.05 and 1,080,048.30

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Solution

The fourth proportional to 1,285,334.70, 1,928,002.05 and 1,080,048.30 is: 1,620,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,334.70 : 1,928,002.05 = 1,080,048.30 : x
  2. Step 2: Convert to fraction form
    1,285,334.70/1,928,002.05 = 1,080,048.30/x
  3. Step 3: Cross multiply
    1,285,334.70x = 1,928,002.05 × 1,080,048.30
  4. Step 4: Simplify right side
    1,285,334.70x = 2,082,335,336,499.02
  5. Step 5: Solve for x
    x = 2,082,335,336,499.02/1,285,334.70
  6. Step 6: Final answer
    x = 1,620,072.45

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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.