Home / 1,108,812.20-1,662,732.30-509,574.20

Finding the Fourth Proportional to 1,108,812.20, 1,662,732.30 and 509,574.20

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Solution

The fourth proportional to 1,108,812.20, 1,662,732.30 and 509,574.20 is: 764,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,812.20 : 1,662,732.30 = 509,574.20 : x
  2. Step 2: Convert to fraction form
    1,108,812.20/1,662,732.30 = 509,574.20/x
  3. Step 3: Cross multiply
    1,108,812.20x = 1,662,732.30 × 509,574.20
  4. Step 4: Simplify right side
    1,108,812.20x = 847,285,481,586.66
  5. Step 5: Solve for x
    x = 847,285,481,586.66/1,108,812.20
  6. Step 6: Final answer
    x = 764,137.95

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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.