Finding the Fourth Proportional to 1,409,181.99, 1,944,664.65 and 764,600.60
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Solution
The fourth proportional to 1,409,181.99, 1,944,664.65 and 764,600.60 is: 1,055,145.30
Step by Step Solution
- Step 1: Write the proportion equation
1,409,181.99 : 1,944,664.65 = 764,600.60 : x - Step 2: Convert to fraction form
1,409,181.99/1,944,664.65 = 764,600.60/x - Step 3: Cross multiply
1,409,181.99x = 1,944,664.65 × 764,600.60 - Step 4: Simplify right side
1,409,181.99x = 1,486,891,748,465.47 - Step 5: Solve for x
x = 1,486,891,748,465.47/1,409,181.99 - Step 6: Final answer
x = 1,055,145.30
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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.