Finding the Fourth Proportional to 1,350,612.43, 1,863,775.58 and 738,646.09
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Solution
The fourth proportional to 1,350,612.43, 1,863,775.58 and 738,646.09 is: 1,019,293.55
Step by Step Solution
- Step 1: Write the proportion equation
1,350,612.43 : 1,863,775.58 = 738,646.09 : x - Step 2: Convert to fraction form
1,350,612.43/1,863,775.58 = 738,646.09/x - Step 3: Cross multiply
1,350,612.43x = 1,863,775.58 × 738,646.09 - Step 4: Simplify right side
1,350,612.43x = 1,376,670,536,451.81 - Step 5: Solve for x
x = 1,376,670,536,451.81/1,350,612.43 - Step 6: Final answer
x = 1,019,293.55
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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.