Finding the Fourth Proportional to 1,259,518.82, 1,738,136.02 and 686,558.99
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Solution
The fourth proportional to 1,259,518.82, 1,738,136.02 and 686,558.99 is: 947,451.43
Step by Step Solution
- Step 1: Write the proportion equation
1,259,518.82 : 1,738,136.02 = 686,558.99 : x - Step 2: Convert to fraction form
1,259,518.82/1,738,136.02 = 686,558.99/x - Step 3: Cross multiply
1,259,518.82x = 1,738,136.02 × 686,558.99 - Step 4: Simplify right side
1,259,518.82x = 1,193,332,904,513.05 - Step 5: Solve for x
x = 1,193,332,904,513.05/1,259,518.82 - Step 6: Final answer
x = 947,451.43
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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.