Finding the Fourth Proportional to 1,362,125.11, 1,879,732.65 and 789,497.44
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Solution
The fourth proportional to 1,362,125.11, 1,879,732.65 and 789,497.44 is: 1,089,506.46
Step by Step Solution
- Step 1: Write the proportion equation
1,362,125.11 : 1,879,732.65 = 789,497.44 : x - Step 2: Convert to fraction form
1,362,125.11/1,879,732.65 = 789,497.44/x - Step 3: Cross multiply
1,362,125.11x = 1,879,732.65 × 789,497.44 - Step 4: Simplify right side
1,362,125.11x = 1,484,044,106,095.43 - Step 5: Solve for x
x = 1,484,044,106,095.43/1,362,125.11 - Step 6: Final answer
x = 1,089,506.46
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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.