Finding the Fourth Proportional to 1,107,419.58, 1,528,239.54 and 598,121.96
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Solution
The fourth proportional to 1,107,419.58, 1,528,239.54 and 598,121.96 is: 825,408.58
Step by Step Solution
- Step 1: Write the proportion equation
1,107,419.58 : 1,528,239.54 = 598,121.96 : x - Step 2: Convert to fraction form
1,107,419.58/1,528,239.54 = 598,121.96/x - Step 3: Cross multiply
1,107,419.58x = 1,528,239.54 × 598,121.96 - Step 4: Simplify right side
1,107,419.58x = 914,073,620,251.62 - Step 5: Solve for x
x = 914,073,620,251.62/1,107,419.58 - Step 6: Final answer
x = 825,408.58
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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.