Finding the Fourth Proportional to 1,207,842.18, 1,810,636.97 and 408,567.53
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Solution
The fourth proportional to 1,207,842.18, 1,810,636.97 and 408,567.53 is: 612,470.30
Step by Step Solution
- Step 1: Write the proportion equation
1,207,842.18 : 1,810,636.97 = 408,567.53 : x - Step 2: Convert to fraction form
1,207,842.18/1,810,636.97 = 408,567.53/x - Step 3: Cross multiply
1,207,842.18x = 1,810,636.97 × 408,567.53 - Step 4: Simplify right side
1,207,842.18x = 739,767,463,463.56 - Step 5: Solve for x
x = 739,767,463,463.56/1,207,842.18 - Step 6: Final answer
x = 612,470.30
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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.