Finding the Fourth Proportional to 1,288,293.24, 1,778,063.28 and 744,744.12
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Solution
The fourth proportional to 1,288,293.24, 1,778,063.28 and 744,744.12 is: 1,027,873.26
Step by Step Solution
- Step 1: Write the proportion equation
1,288,293.24 : 1,778,063.28 = 744,744.12 : x - Step 2: Convert to fraction form
1,288,293.24/1,778,063.28 = 744,744.12/x - Step 3: Cross multiply
1,288,293.24x = 1,778,063.28 × 744,744.12 - Step 4: Simplify right side
1,288,293.24x = 1,324,202,172,767.91 - Step 5: Solve for x
x = 1,324,202,172,767.91/1,288,293.24 - Step 6: Final answer
x = 1,027,873.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.