Finding the Fourth Proportional to 1,268,944.19, 1,898,968.25 and 909,511.20
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Solution
The fourth proportional to 1,268,944.19, 1,898,968.25 and 909,511.20 is: 1,361,078.68
Step by Step Solution
- Step 1: Write the proportion equation
1,268,944.19 : 1,898,968.25 = 909,511.20 : x - Step 2: Convert to fraction form
1,268,944.19/1,898,968.25 = 909,511.20/x - Step 3: Cross multiply
1,268,944.19x = 1,898,968.25 × 909,511.20 - Step 4: Simplify right side
1,268,944.19x = 1,727,132,894,093.18 - Step 5: Solve for x
x = 1,727,132,894,093.18/1,268,944.19 - Step 6: Final answer
x = 1,361,078.68
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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.