Finding the Fourth Proportional to 1,368,455.96, 2,052,468.45 and 457,631.42
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Solution
The fourth proportional to 1,368,455.96, 2,052,468.45 and 457,631.42 is: 686,375.06
Step by Step Solution
- Step 1: Write the proportion equation
1,368,455.96 : 2,052,468.45 = 457,631.42 : x - Step 2: Convert to fraction form
1,368,455.96/2,052,468.45 = 457,631.42/x - Step 3: Cross multiply
1,368,455.96x = 2,052,468.45 × 457,631.42 - Step 4: Simplify right side
1,368,455.96x = 939,274,041,016.36 - Step 5: Solve for x
x = 939,274,041,016.36/1,368,455.96 - Step 6: Final answer
x = 686,375.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.