Finding the Fourth Proportional to 1,192,522.07, 1,646,217.80 and 784,837.93
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Solution
The fourth proportional to 1,192,522.07, 1,646,217.80 and 784,837.93 is: 1,083,429.99
Step by Step Solution
- Step 1: Write the proportion equation
1,192,522.07 : 1,646,217.80 = 784,837.93 : x - Step 2: Convert to fraction form
1,192,522.07/1,646,217.80 = 784,837.93/x - Step 3: Cross multiply
1,192,522.07x = 1,646,217.80 × 784,837.93 - Step 4: Simplify right side
1,192,522.07x = 1,292,014,170,481.15 - Step 5: Solve for x
x = 1,292,014,170,481.15/1,192,522.07 - Step 6: Final answer
x = 1,083,429.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.