Finding the Fourth Proportional to 1,103,912.14, 1,655,868.34 and 345,812.68
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Solution
The fourth proportional to 1,103,912.14, 1,655,868.34 and 345,812.68 is: 518,719.06
Step by Step Solution
- Step 1: Write the proportion equation
1,103,912.14 : 1,655,868.34 = 345,812.68 : x - Step 2: Convert to fraction form
1,103,912.14/1,655,868.34 = 345,812.68/x - Step 3: Cross multiply
1,103,912.14x = 1,655,868.34 × 345,812.68 - Step 4: Simplify right side
1,103,912.14x = 572,620,268,382.55 - Step 5: Solve for x
x = 572,620,268,382.55/1,103,912.14 - Step 6: Final answer
x = 518,719.06
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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.