Finding the Fourth Proportional to 1,212,247.98, 1,819,493.64 and 613,629.54
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Solution
The fourth proportional to 1,212,247.98, 1,819,493.64 and 613,629.54 is: 921,012.09
Step by Step Solution
- Step 1: Write the proportion equation
1,212,247.98 : 1,819,493.64 = 613,629.54 : x - Step 2: Convert to fraction form
1,212,247.98/1,819,493.64 = 613,629.54/x - Step 3: Cross multiply
1,212,247.98x = 1,819,493.64 × 613,629.54 - Step 4: Simplify right side
1,212,247.98x = 1,116,495,045,346.13 - Step 5: Solve for x
x = 1,116,495,045,346.13/1,212,247.98 - Step 6: Final answer
x = 921,012.09
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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.