Home / 1,372,566.27-1,893,687.48-828,495.36

Finding the Fourth Proportional to 1,372,566.27, 1,893,687.48 and 828,495.36

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Solution

The fourth proportional to 1,372,566.27, 1,893,687.48 and 828,495.36 is: 1,143,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,566.27 : 1,893,687.48 = 828,495.36 : x
  2. Step 2: Convert to fraction form
    1,372,566.27/1,893,687.48 = 828,495.36/x
  3. Step 3: Cross multiply
    1,372,566.27x = 1,893,687.48 × 828,495.36
  4. Step 4: Simplify right side
    1,372,566.27x = 1,568,911,290,470.09
  5. Step 5: Solve for x
    x = 1,568,911,290,470.09/1,372,566.27
  6. Step 6: Final answer
    x = 1,143,049.57

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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.