Home / 1,219,009.20-1,825,014.60-746,617.20

Finding the Fourth Proportional to 1,219,009.20, 1,825,014.60 and 746,617.20

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Solution

The fourth proportional to 1,219,009.20, 1,825,014.60 and 746,617.20 is: 1,117,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,009.20 : 1,825,014.60 = 746,617.20 : x
  2. Step 2: Convert to fraction form
    1,219,009.20/1,825,014.60 = 746,617.20/x
  3. Step 3: Cross multiply
    1,219,009.20x = 1,825,014.60 × 746,617.20
  4. Step 4: Simplify right side
    1,219,009.20x = 1,362,587,290,611.12
  5. Step 5: Solve for x
    x = 1,362,587,290,611.12/1,219,009.20
  6. Step 6: Final answer
    x = 1,117,782.61

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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.