Finding the Fourth Proportional to 1,081,554.21, 1,622,506.28 and 450,531.81
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Solution
The fourth proportional to 1,081,554.21, 1,622,506.28 and 450,531.81 is: 675,870.60
Step by Step Solution
- Step 1: Write the proportion equation
1,081,554.21 : 1,622,506.28 = 450,531.81 : x - Step 2: Convert to fraction form
1,081,554.21/1,622,506.28 = 450,531.81/x - Step 3: Cross multiply
1,081,554.21x = 1,622,506.28 × 450,531.81 - Step 4: Simplify right side
1,081,554.21x = 730,990,688,812.11 - Step 5: Solve for x
x = 730,990,688,812.11/1,081,554.21 - Step 6: Final answer
x = 675,870.60
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1.5x scale
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.