Finding the Fourth Proportional to 1,368,783.62, 1,888,845.98 and 756,900.98
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Solution
The fourth proportional to 1,368,783.62, 1,888,845.98 and 756,900.98 is: 1,044,481.65
Step by Step Solution
- Step 1: Write the proportion equation
1,368,783.62 : 1,888,845.98 = 756,900.98 : x - Step 2: Convert to fraction form
1,368,783.62/1,888,845.98 = 756,900.98/x - Step 3: Cross multiply
1,368,783.62x = 1,888,845.98 × 756,900.98 - Step 4: Simplify right side
1,368,783.62x = 1,429,669,373,331.06 - Step 5: Solve for x
x = 1,429,669,373,331.06/1,368,783.62 - Step 6: Final answer
x = 1,044,481.65
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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.