Home / 1,220,659.20-1,684,339.20-704,563.20

Finding the Fourth Proportional to 1,220,659.20, 1,684,339.20 and 704,563.20

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Solution

The fourth proportional to 1,220,659.20, 1,684,339.20 and 704,563.20 is: 972,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,659.20 : 1,684,339.20 = 704,563.20 : x
  2. Step 2: Convert to fraction form
    1,220,659.20/1,684,339.20 = 704,563.20/x
  3. Step 3: Cross multiply
    1,220,659.20x = 1,684,339.20 × 704,563.20
  4. Step 4: Simplify right side
    1,220,659.20x = 1,186,723,416,637.44
  5. Step 5: Solve for x
    x = 1,186,723,416,637.44/1,220,659.20
  6. Step 6: Final answer
    x = 972,198.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.