Finding the Fourth Proportional to 1,145,363.09, 1,580,614.02 and 629,129.03
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Solution
The fourth proportional to 1,145,363.09, 1,580,614.02 and 629,129.03 is: 868,205.17
Step by Step Solution
- Step 1: Write the proportion equation
1,145,363.09 : 1,580,614.02 = 629,129.03 : x - Step 2: Convert to fraction form
1,145,363.09/1,580,614.02 = 629,129.03/x - Step 3: Cross multiply
1,145,363.09x = 1,580,614.02 × 629,129.03 - Step 4: Simplify right side
1,145,363.09x = 994,410,157,303.93 - Step 5: Solve for x
x = 994,410,157,303.93/1,145,363.09 - Step 6: Final answer
x = 868,205.17
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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.