Finding the Fourth Proportional to 1,138,268.28, 1,707,169.14 and 418,361.88
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Solution
The fourth proportional to 1,138,268.28, 1,707,169.14 and 418,361.88 is: 627,457.08
Step by Step Solution
- Step 1: Write the proportion equation
1,138,268.28 : 1,707,169.14 = 418,361.88 : x - Step 2: Convert to fraction form
1,138,268.28/1,707,169.14 = 418,361.88/x - Step 3: Cross multiply
1,138,268.28x = 1,707,169.14 × 418,361.88 - Step 4: Simplify right side
1,138,268.28x = 714,214,490,888.38 - Step 5: Solve for x
x = 714,214,490,888.38/1,138,268.28 - Step 6: Final answer
x = 627,457.08
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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.