Finding the Fourth Proportional to 1,081,506.99, 1,622,143.71 and 361,767.09
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Solution
The fourth proportional to 1,081,506.99, 1,622,143.71 and 361,767.09 is: 542,611.57
Step by Step Solution
- Step 1: Write the proportion equation
1,081,506.99 : 1,622,143.71 = 361,767.09 : x - Step 2: Convert to fraction form
1,081,506.99/1,622,143.71 = 361,767.09/x - Step 3: Cross multiply
1,081,506.99x = 1,622,143.71 × 361,767.09 - Step 4: Simplify right side
1,081,506.99x = 586,838,209,528.50 - Step 5: Solve for x
x = 586,838,209,528.50/1,081,506.99 - Step 6: Final answer
x = 542,611.57
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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.