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Finding the Fourth Proportional to 884,085.22, 1,326,137.09 and 707,713.39

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Solution

The fourth proportional to 884,085.22, 1,326,137.09 and 707,713.39 is: 1,061,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,085.22 : 1,326,137.09 = 707,713.39 : x
  2. Step 2: Convert to fraction form
    884,085.22/1,326,137.09 = 707,713.39/x
  3. Step 3: Cross multiply
    884,085.22x = 1,326,137.09 × 707,713.39
  4. Step 4: Simplify right side
    884,085.22x = 938,524,975,568.64
  5. Step 5: Solve for x
    x = 938,524,975,568.64/884,085.22
  6. Step 6: Final answer
    x = 1,061,577.50

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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.