Home / 1,051,632.86-1,449,553.17-821,790.74

Finding the Fourth Proportional to 1,051,632.86, 1,449,553.17 and 821,790.74

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Solution

The fourth proportional to 1,051,632.86, 1,449,553.17 and 821,790.74 is: 1,132,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,632.86 : 1,449,553.17 = 821,790.74 : x
  2. Step 2: Convert to fraction form
    1,051,632.86/1,449,553.17 = 821,790.74/x
  3. Step 3: Cross multiply
    1,051,632.86x = 1,449,553.17 × 821,790.74
  4. Step 4: Simplify right side
    1,051,632.86x = 1,191,229,372,243.65
  5. Step 5: Solve for x
    x = 1,191,229,372,243.65/1,051,632.86
  6. Step 6: Final answer
    x = 1,132,742.63

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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.