Home / 1,442,514.33-1,990,777.76-822,334.29

Finding the Fourth Proportional to 1,442,514.33, 1,990,777.76 and 822,334.29

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Solution

The fourth proportional to 1,442,514.33, 1,990,777.76 and 822,334.29 is: 1,134,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,514.33 : 1,990,777.76 = 822,334.29 : x
  2. Step 2: Convert to fraction form
    1,442,514.33/1,990,777.76 = 822,334.29/x
  3. Step 3: Cross multiply
    1,442,514.33x = 1,990,777.76 × 822,334.29
  4. Step 4: Simplify right side
    1,442,514.33x = 1,637,084,811,705.72
  5. Step 5: Solve for x
    x = 1,637,084,811,705.72/1,442,514.33
  6. Step 6: Final answer
    x = 1,134,882.88

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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.