Home / 1,330,998.80-1,996,498.20-622,410.80

Finding the Fourth Proportional to 1,330,998.80, 1,996,498.20 and 622,410.80

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Solution

The fourth proportional to 1,330,998.80, 1,996,498.20 and 622,410.80 is: 933,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,998.80 : 1,996,498.20 = 622,410.80 : x
  2. Step 2: Convert to fraction form
    1,330,998.80/1,996,498.20 = 622,410.80/x
  3. Step 3: Cross multiply
    1,330,998.80x = 1,996,498.20 × 622,410.80
  4. Step 4: Simplify right side
    1,330,998.80x = 1,242,642,041,860.56
  5. Step 5: Solve for x
    x = 1,242,642,041,860.56/1,330,998.80
  6. Step 6: Final answer
    x = 933,616.20

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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.