Finding the Fourth Proportional to 1,409,117.18, 1,944,589.48 and 764,538.62
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Solution
The fourth proportional to 1,409,117.18, 1,944,589.48 and 764,538.62 is: 1,055,067.51
Step by Step Solution
- Step 1: Write the proportion equation
1,409,117.18 : 1,944,589.48 = 764,538.62 : x - Step 2: Convert to fraction form
1,409,117.18/1,944,589.48 = 764,538.62/x - Step 3: Cross multiply
1,409,117.18x = 1,944,589.48 × 764,538.62 - Step 4: Simplify right side
1,409,117.18x = 1,486,713,745,871.42 - Step 5: Solve for x
x = 1,486,713,745,871.42/1,409,117.18 - Step 6: Final answer
x = 1,055,067.51
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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.