Finding the Fourth Proportional to 1,317,798.21, 1,974,441.42 and 719,179.86
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Solution
The fourth proportional to 1,317,798.21, 1,974,441.42 and 719,179.86 is: 1,077,538.65
Step by Step Solution
- Step 1: Write the proportion equation
1,317,798.21 : 1,974,441.42 = 719,179.86 : x - Step 2: Convert to fraction form
1,317,798.21/1,974,441.42 = 719,179.86/x - Step 3: Cross multiply
1,317,798.21x = 1,974,441.42 × 719,179.86 - Step 4: Simplify right side
1,317,798.21x = 1,419,978,511,417.96 - Step 5: Solve for x
x = 1,419,978,511,417.96/1,317,798.21 - Step 6: Final answer
x = 1,077,538.65
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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.