Finding the Fourth Proportional to 1,394,455.12, 2,091,441.92 and 369,792.56
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Solution
The fourth proportional to 1,394,455.12, 2,091,441.92 and 369,792.56 is: 554,624.99
Step by Step Solution
- Step 1: Write the proportion equation
1,394,455.12 : 2,091,441.92 = 369,792.56 : x - Step 2: Convert to fraction form
1,394,455.12/2,091,441.92 = 369,792.56/x - Step 3: Cross multiply
1,394,455.12x = 2,091,441.92 × 369,792.56 - Step 4: Simplify right side
1,394,455.12x = 773,399,661,688.12 - Step 5: Solve for x
x = 773,399,661,688.12/1,394,455.12 - Step 6: Final answer
x = 554,624.99
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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.