Finding the Fourth Proportional to 1,091,351.80, 1,637,027.70 and 825,631.30
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Solution
The fourth proportional to 1,091,351.80, 1,637,027.70 and 825,631.30 is: 1,238,446.95
Step by Step Solution
- Step 1: Write the proportion equation
1,091,351.80 : 1,637,027.70 = 825,631.30 : x - Step 2: Convert to fraction form
1,091,351.80/1,637,027.70 = 825,631.30/x - Step 3: Cross multiply
1,091,351.80x = 1,637,027.70 × 825,631.30 - Step 4: Simplify right side
1,091,351.80x = 1,351,581,308,087.01 - Step 5: Solve for x
x = 1,351,581,308,087.01/1,091,351.80 - Step 6: Final answer
x = 1,238,446.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.