Finding the Fourth Proportional to 1,409,145.96, 1,944,414.68 and 788,919.06
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Solution
The fourth proportional to 1,409,145.96, 1,944,414.68 and 788,919.06 is: 1,088,592.55
Step by Step Solution
- Step 1: Write the proportion equation
1,409,145.96 : 1,944,414.68 = 788,919.06 : x - Step 2: Convert to fraction form
1,409,145.96/1,944,414.68 = 788,919.06/x - Step 3: Cross multiply
1,409,145.96x = 1,944,414.68 × 788,919.06 - Step 4: Simplify right side
1,409,145.96x = 1,533,985,797,651.21 - Step 5: Solve for x
x = 1,533,985,797,651.21/1,409,145.96 - Step 6: Final answer
x = 1,088,592.55
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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.