Finding the Fourth Proportional to 1,179,517.68, 1,626,798.18 and 765,601.96
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Solution
The fourth proportional to 1,179,517.68, 1,626,798.18 and 765,601.96 is: 1,055,923.02
Step by Step Solution
- Step 1: Write the proportion equation
1,179,517.68 : 1,626,798.18 = 765,601.96 : x - Step 2: Convert to fraction form
1,179,517.68/1,626,798.18 = 765,601.96/x - Step 3: Cross multiply
1,179,517.68x = 1,626,798.18 × 765,601.96 - Step 4: Simplify right side
1,179,517.68x = 1,245,479,875,132.43 - Step 5: Solve for x
x = 1,245,479,875,132.43/1,179,517.68 - Step 6: Final answer
x = 1,055,923.02
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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.