Finding the Fourth Proportional to 1,199,939.54, 1,655,942.49 and 716,414.49
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Solution
The fourth proportional to 1,199,939.54, 1,655,942.49 and 716,414.49 is: 988,667.48
Step by Step Solution
- Step 1: Write the proportion equation
1,199,939.54 : 1,655,942.49 = 716,414.49 : x - Step 2: Convert to fraction form
1,199,939.54/1,655,942.49 = 716,414.49/x - Step 3: Cross multiply
1,199,939.54x = 1,655,942.49 × 716,414.49 - Step 4: Simplify right side
1,199,939.54x = 1,186,341,194,442.68 - Step 5: Solve for x
x = 1,186,341,194,442.68/1,199,939.54 - Step 6: Final answer
x = 988,667.48
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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.