Home / 1,219,021.20-1,825,032.60-746,629.20

Finding the Fourth Proportional to 1,219,021.20, 1,825,032.60 and 746,629.20

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Solution

The fourth proportional to 1,219,021.20, 1,825,032.60 and 746,629.20 is: 1,117,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,021.20 : 1,825,032.60 = 746,629.20 : x
  2. Step 2: Convert to fraction form
    1,219,021.20/1,825,032.60 = 746,629.20/x
  3. Step 3: Cross multiply
    1,219,021.20x = 1,825,032.60 × 746,629.20
  4. Step 4: Simplify right side
    1,219,021.20x = 1,362,622,630,111.92
  5. Step 5: Solve for x
    x = 1,362,622,630,111.92/1,219,021.20
  6. Step 6: Final answer
    x = 1,117,800.60

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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.