Finding the Fourth Proportional to 1,368,571.93, 1,888,548.11 and 756,676.66
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Solution
The fourth proportional to 1,368,571.93, 1,888,548.11 and 756,676.66 is: 1,044,168.93
Step by Step Solution
- Step 1: Write the proportion equation
1,368,571.93 : 1,888,548.11 = 756,676.66 : x - Step 2: Convert to fraction form
1,368,571.93/1,888,548.11 = 756,676.66/x - Step 3: Cross multiply
1,368,571.93x = 1,888,548.11 × 756,676.66 - Step 4: Simplify right side
1,368,571.93x = 1,429,020,276,124.11 - Step 5: Solve for x
x = 1,429,020,276,124.11/1,368,571.93 - Step 6: Final answer
x = 1,044,168.93
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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.