Finding the Fourth Proportional to 1,331,629.92, 1,837,657.62 and 719,781.44
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Solution
The fourth proportional to 1,331,629.92, 1,837,657.62 and 719,781.44 is: 993,302.89
Step by Step Solution
- Step 1: Write the proportion equation
1,331,629.92 : 1,837,657.62 = 719,781.44 : x - Step 2: Convert to fraction form
1,331,629.92/1,837,657.62 = 719,781.44/x - Step 3: Cross multiply
1,331,629.92x = 1,837,657.62 × 719,781.44 - Step 4: Simplify right side
1,331,629.92x = 1,322,711,847,950.57 - Step 5: Solve for x
x = 1,322,711,847,950.57/1,331,629.92 - Step 6: Final answer
x = 993,302.89
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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.