Finding the Fourth Proportional to 1,183,993.84, 1,775,880.08 and 331,141.76
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Solution
The fourth proportional to 1,183,993.84, 1,775,880.08 and 331,141.76 is: 496,681.68
Step by Step Solution
- Step 1: Write the proportion equation
1,183,993.84 : 1,775,880.08 = 331,141.76 : x - Step 2: Convert to fraction form
1,183,993.84/1,775,880.08 = 331,141.76/x - Step 3: Cross multiply
1,183,993.84x = 1,775,880.08 × 331,141.76 - Step 4: Simplify right side
1,183,993.84x = 588,068,055,240.14 - Step 5: Solve for x
x = 588,068,055,240.14/1,183,993.84 - Step 6: Final answer
x = 496,681.68
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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.