Finding the Fourth Proportional to 1,268,921.19, 1,902,621.44 and 403,982.31
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Solution
The fourth proportional to 1,268,921.19, 1,902,621.44 and 403,982.31 is: 605,731.39
Step by Step Solution
- Step 1: Write the proportion equation
1,268,921.19 : 1,902,621.44 = 403,982.31 : x - Step 2: Convert to fraction form
1,268,921.19/1,902,621.44 = 403,982.31/x - Step 3: Cross multiply
1,268,921.19x = 1,902,621.44 × 403,982.31 - Step 4: Simplify right side
1,268,921.19x = 768,625,402,366.82 - Step 5: Solve for x
x = 768,625,402,366.82/1,268,921.19 - Step 6: Final answer
x = 605,731.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.