Finding the Fourth Proportional to 1,419,201.68, 1,959,128.17 and 960,981.44
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Solution
The fourth proportional to 1,419,201.68, 1,959,128.17 and 960,981.44 is: 1,326,580.87
Step by Step Solution
- Step 1: Write the proportion equation
1,419,201.68 : 1,959,128.17 = 960,981.44 : x - Step 2: Convert to fraction form
1,419,201.68/1,959,128.17 = 960,981.44/x - Step 3: Cross multiply
1,419,201.68x = 1,959,128.17 × 960,981.44 - Step 4: Simplify right side
1,419,201.68x = 1,882,685,797,753.07 - Step 5: Solve for x
x = 1,882,685,797,753.07/1,419,201.68 - Step 6: Final answer
x = 1,326,580.87
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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.