Finding the Fourth Proportional to 1,362,125.48, 1,879,733.15 and 789,497.80
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Solution
The fourth proportional to 1,362,125.48, 1,879,733.15 and 789,497.80 is: 1,089,506.95
Step by Step Solution
- Step 1: Write the proportion equation
1,362,125.48 : 1,879,733.15 = 789,497.80 : x - Step 2: Convert to fraction form
1,362,125.48/1,879,733.15 = 789,497.80/x - Step 3: Cross multiply
1,362,125.48x = 1,879,733.15 × 789,497.80 - Step 4: Simplify right side
1,362,125.48x = 1,484,045,173,165.92 - Step 5: Solve for x
x = 1,484,045,173,165.92/1,362,125.48 - Step 6: Final answer
x = 1,089,506.95
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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.