Finding the Fourth Proportional to 1,158,161.46, 1,598,321.58 and 667,948.62
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Solution
The fourth proportional to 1,158,161.46, 1,598,321.58 and 667,948.62 is: 921,802.99
Step by Step Solution
- Step 1: Write the proportion equation
1,158,161.46 : 1,598,321.58 = 667,948.62 : x - Step 2: Convert to fraction form
1,158,161.46/1,598,321.58 = 667,948.62/x - Step 3: Cross multiply
1,158,161.46x = 1,598,321.58 × 667,948.62 - Step 4: Simplify right side
1,158,161.46x = 1,067,596,693,677.22 - Step 5: Solve for x
x = 1,067,596,693,677.22/1,158,161.46 - Step 6: Final answer
x = 921,802.99
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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.