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Finding the Fourth Proportional to 884,087.86, 1,326,141.03 and 707,716.03

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Solution

The fourth proportional to 884,087.86, 1,326,141.03 and 707,716.03 is: 1,061,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,087.86 : 1,326,141.03 = 707,716.03 : x
  2. Step 2: Convert to fraction form
    884,087.86/1,326,141.03 = 707,716.03/x
  3. Step 3: Cross multiply
    884,087.86x = 1,326,141.03 × 707,716.03
  4. Step 4: Simplify right side
    884,087.86x = 938,531,258,341.01
  5. Step 5: Solve for x
    x = 938,531,258,341.01/884,087.86
  6. Step 6: Final answer
    x = 1,061,581.44

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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.