Home / 1,206,367.20-1,809,493.20-407,570.40

Finding the Fourth Proportional to 1,206,367.20, 1,809,493.20 and 407,570.40

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Solution

The fourth proportional to 1,206,367.20, 1,809,493.20 and 407,570.40 is: 611,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,367.20 : 1,809,493.20 = 407,570.40 : x
  2. Step 2: Convert to fraction form
    1,206,367.20/1,809,493.20 = 407,570.40/x
  3. Step 3: Cross multiply
    1,206,367.20x = 1,809,493.20 × 407,570.40
  4. Step 4: Simplify right side
    1,206,367.20x = 737,495,867,321.28
  5. Step 5: Solve for x
    x = 737,495,867,321.28/1,206,367.20
  6. Step 6: Final answer
    x = 611,336.14

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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.