Home / 1,362,634.20-2,043,951.30-858,749.40

Finding the Fourth Proportional to 1,362,634.20, 2,043,951.30 and 858,749.40

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Solution

The fourth proportional to 1,362,634.20, 2,043,951.30 and 858,749.40 is: 1,288,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,634.20 : 2,043,951.30 = 858,749.40 : x
  2. Step 2: Convert to fraction form
    1,362,634.20/2,043,951.30 = 858,749.40/x
  3. Step 3: Cross multiply
    1,362,634.20x = 2,043,951.30 × 858,749.40
  4. Step 4: Simplify right side
    1,362,634.20x = 1,755,241,952,504.22
  5. Step 5: Solve for x
    x = 1,755,241,952,504.22/1,362,634.20
  6. Step 6: Final answer
    x = 1,288,124.10

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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.