Finding the Fourth Proportional to 1,268,414.23, 1,902,418.80 and 369,645.75
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Solution
The fourth proportional to 1,268,414.23, 1,902,418.80 and 369,645.75 is: 554,409.60
Step by Step Solution
- Step 1: Write the proportion equation
1,268,414.23 : 1,902,418.80 = 369,645.75 : x - Step 2: Convert to fraction form
1,268,414.23/1,902,418.80 = 369,645.75/x - Step 3: Cross multiply
1,268,414.23x = 1,902,418.80 × 369,645.75 - Step 4: Simplify right side
1,268,414.23x = 703,221,024,140.10 - Step 5: Solve for x
x = 703,221,024,140.10/1,268,414.23 - Step 6: Final answer
x = 554,409.60
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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.