Finding the Fourth Proportional to 1,362,229.63, 1,879,877.34 and 789,601.95
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Solution
The fourth proportional to 1,362,229.63, 1,879,877.34 and 789,601.95 is: 1,089,650.95
Step by Step Solution
- Step 1: Write the proportion equation
1,362,229.63 : 1,879,877.34 = 789,601.95 : x - Step 2: Convert to fraction form
1,362,229.63/1,879,877.34 = 789,601.95/x - Step 3: Cross multiply
1,362,229.63x = 1,879,877.34 × 789,601.95 - Step 4: Simplify right side
1,362,229.63x = 1,484,354,813,424.81 - Step 5: Solve for x
x = 1,484,354,813,424.81/1,362,229.63 - Step 6: Final answer
x = 1,089,650.95
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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.