Finding the Fourth Proportional to 1,018,851.75, 1,405,453.78 and 827,532.99
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Solution
The fourth proportional to 1,018,851.75, 1,405,453.78 and 827,532.99 is: 1,141,539.36
Step by Step Solution
- Step 1: Write the proportion equation
1,018,851.75 : 1,405,453.78 = 827,532.99 : x - Step 2: Convert to fraction form
1,018,851.75/1,405,453.78 = 827,532.99/x - Step 3: Cross multiply
1,018,851.75x = 1,405,453.78 × 827,532.99 - Step 4: Simplify right side
1,018,851.75x = 1,163,059,369,904.62 - Step 5: Solve for x
x = 1,163,059,369,904.62/1,018,851.75 - Step 6: Final answer
x = 1,141,539.36
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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.