Finding the Fourth Proportional to 919,907.06, 1,269,313.80 and 845,495.96
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Solution
The fourth proportional to 919,907.06, 1,269,313.80 and 845,495.96 is: 1,166,639.26
Step by Step Solution
- Step 1: Write the proportion equation
919,907.06 : 1,269,313.80 = 845,495.96 : x - Step 2: Convert to fraction form
919,907.06/1,269,313.80 = 845,495.96/x - Step 3: Cross multiply
919,907.06x = 1,269,313.80 × 845,495.96 - Step 4: Simplify right side
919,907.06x = 1,073,199,689,872.25 - Step 5: Solve for x
x = 1,073,199,689,872.25/919,907.06 - Step 6: Final answer
x = 1,166,639.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.