Finding the Fourth Proportional to 1,326,588.10, 1,989,863.62 and 756,753.10
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Solution
The fourth proportional to 1,326,588.10, 1,989,863.62 and 756,753.10 is: 1,135,119.08
Step by Step Solution
- Step 1: Write the proportion equation
1,326,588.10 : 1,989,863.62 = 756,753.10 : x - Step 2: Convert to fraction form
1,326,588.10/1,989,863.62 = 756,753.10/x - Step 3: Cross multiply
1,326,588.10x = 1,989,863.62 × 756,753.10 - Step 4: Simplify right side
1,326,588.10x = 1,505,835,456,145.68 - Step 5: Solve for x
x = 1,505,835,456,145.68/1,326,588.10 - Step 6: Final answer
x = 1,135,119.08
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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.