Finding the Fourth Proportional to 1,067,815.60, 1,599,390.60 and 829,286.80
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Solution
The fourth proportional to 1,067,815.60, 1,599,390.60 and 829,286.80 is: 1,242,118.50
Step by Step Solution
- Step 1: Write the proportion equation
1,067,815.60 : 1,599,390.60 = 829,286.80 : x - Step 2: Convert to fraction form
1,067,815.60/1,599,390.60 = 829,286.80/x - Step 3: Cross multiply
1,067,815.60x = 1,599,390.60 × 829,286.80 - Step 4: Simplify right side
1,067,815.60x = 1,326,353,512,624.08 - Step 5: Solve for x
x = 1,326,353,512,624.08/1,067,815.60 - Step 6: Final answer
x = 1,242,118.50
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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.