Finding the Fourth Proportional to 1,095,830.08, 1,511,266.26 and 687,969.97
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Solution
The fourth proportional to 1,095,830.08, 1,511,266.26 and 687,969.97 is: 948,783.78
Step by Step Solution
- Step 1: Write the proportion equation
1,095,830.08 : 1,511,266.26 = 687,969.97 : x - Step 2: Convert to fraction form
1,095,830.08/1,511,266.26 = 687,969.97/x - Step 3: Cross multiply
1,095,830.08x = 1,511,266.26 × 687,969.97 - Step 4: Simplify right side
1,095,830.08x = 1,039,705,803,554.21 - Step 5: Solve for x
x = 1,039,705,803,554.21/1,095,830.08 - Step 6: Final answer
x = 948,783.78
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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.