Home / 1,206,419.10-1,809,889.02-407,682.96

Finding the Fourth Proportional to 1,206,419.10, 1,809,889.02 and 407,682.96

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Solution

The fourth proportional to 1,206,419.10, 1,809,889.02 and 407,682.96 is: 611,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,419.10 : 1,809,889.02 = 407,682.96 : x
  2. Step 2: Convert to fraction form
    1,206,419.10/1,809,889.02 = 407,682.96/x
  3. Step 3: Cross multiply
    1,206,419.10x = 1,809,889.02 × 407,682.96
  4. Step 4: Simplify right side
    1,206,419.10x = 737,860,912,945.10
  5. Step 5: Solve for x
    x = 737,860,912,945.10/1,206,419.10
  6. Step 6: Final answer
    x = 611,612.43

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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.