Finding the Fourth Proportional to 1,190,748.96, 1,786,368.96 and 392,078.08
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Solution
The fourth proportional to 1,190,748.96, 1,786,368.96 and 392,078.08 is: 588,197.96
Step by Step Solution
- Step 1: Write the proportion equation
1,190,748.96 : 1,786,368.96 = 392,078.08 : x - Step 2: Convert to fraction form
1,190,748.96/1,786,368.96 = 392,078.08/x - Step 3: Cross multiply
1,190,748.96x = 1,786,368.96 × 392,078.08 - Step 4: Simplify right side
1,190,748.96x = 700,396,112,008.40 - Step 5: Solve for x
x = 700,396,112,008.40/1,190,748.96 - Step 6: Final answer
x = 588,197.96
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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.