Finding the Fourth Proportional to 943,660.20, 1,413,416.70 and 819,244.20
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Solution
The fourth proportional to 943,660.20, 1,413,416.70 and 819,244.20 is: 1,227,066.09
Step by Step Solution
- Step 1: Write the proportion equation
943,660.20 : 1,413,416.70 = 819,244.20 : x - Step 2: Convert to fraction form
943,660.20/1,413,416.70 = 819,244.20/x - Step 3: Cross multiply
943,660.20x = 1,413,416.70 × 819,244.20 - Step 4: Simplify right side
943,660.20x = 1,157,933,433,658.14 - Step 5: Solve for x
x = 1,157,933,433,658.14/943,660.20 - Step 6: Final answer
x = 1,227,066.09
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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.