Finding the Fourth Proportional to 1,112,227.68, 1,534,814.52 and 628,763.99
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Solution
The fourth proportional to 1,112,227.68, 1,534,814.52 and 628,763.99 is: 867,660.56
Step by Step Solution
- Step 1: Write the proportion equation
1,112,227.68 : 1,534,814.52 = 628,763.99 : x - Step 2: Convert to fraction form
1,112,227.68/1,534,814.52 = 628,763.99/x - Step 3: Cross multiply
1,112,227.68x = 1,534,814.52 × 628,763.99 - Step 4: Simplify right side
1,112,227.68x = 965,036,093,831.06 - Step 5: Solve for x
x = 965,036,093,831.06/1,112,227.68 - Step 6: Final answer
x = 867,660.56
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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.