Finding the Fourth Proportional to 1,125,791.12, 1,688,779.62 and 367,615.73
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Solution
The fourth proportional to 1,125,791.12, 1,688,779.62 and 367,615.73 is: 551,453.94
Step by Step Solution
- Step 1: Write the proportion equation
1,125,791.12 : 1,688,779.62 = 367,615.73 : x - Step 2: Convert to fraction form
1,125,791.12/1,688,779.62 = 367,615.73/x - Step 3: Cross multiply
1,125,791.12x = 1,688,779.62 × 367,615.73 - Step 4: Simplify right side
1,125,791.12x = 620,821,944,371.53 - Step 5: Solve for x
x = 620,821,944,371.53/1,125,791.12 - Step 6: Final answer
x = 551,453.94
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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.