Finding the Fourth Proportional to 1,259,367.21, 1,889,782.60 and 529,836.97
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Solution
The fourth proportional to 1,259,367.21, 1,889,782.60 and 529,836.97 is: 795,063.33
Step by Step Solution
- Step 1: Write the proportion equation
1,259,367.21 : 1,889,782.60 = 529,836.97 : x - Step 2: Convert to fraction form
1,259,367.21/1,889,782.60 = 529,836.97/x - Step 3: Cross multiply
1,259,367.21x = 1,889,782.60 × 529,836.97 - Step 4: Simplify right side
1,259,367.21x = 1,001,276,690,545.47 - Step 5: Solve for x
x = 1,001,276,690,545.47/1,259,367.21 - Step 6: Final answer
x = 795,063.33
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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.