Home / 1,418,743.62-2,128,055.90-660,324.22

Finding the Fourth Proportional to 1,418,743.62, 2,128,055.90 and 660,324.22

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Solution

The fourth proportional to 1,418,743.62, 2,128,055.90 and 660,324.22 is: 990,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,743.62 : 2,128,055.90 = 660,324.22 : x
  2. Step 2: Convert to fraction form
    1,418,743.62/2,128,055.90 = 660,324.22/x
  3. Step 3: Cross multiply
    1,418,743.62x = 2,128,055.90 × 660,324.22
  4. Step 4: Simplify right side
    1,418,743.62x = 1,405,206,854,118.56
  5. Step 5: Solve for x
    x = 1,405,206,854,118.56/1,418,743.62
  6. Step 6: Final answer
    x = 990,458.62

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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.