Finding the Fourth Proportional to 1,135,212.80, 1,703,596.80 and 629,772.80
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Solution
The fourth proportional to 1,135,212.80, 1,703,596.80 and 629,772.80 is: 945,090.58
Step by Step Solution
- Step 1: Write the proportion equation
1,135,212.80 : 1,703,596.80 = 629,772.80 : x - Step 2: Convert to fraction form
1,135,212.80/1,703,596.80 = 629,772.80/x - Step 3: Cross multiply
1,135,212.80x = 1,703,596.80 × 629,772.80 - Step 4: Simplify right side
1,135,212.80x = 1,072,878,926,807.04 - Step 5: Solve for x
x = 1,072,878,926,807.04/1,135,212.80 - Step 6: Final answer
x = 945,090.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.