Finding the Fourth Proportional to 1,118,703.04, 1,678,297.57 and 408,729.94
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Solution
The fourth proportional to 1,118,703.04, 1,678,297.57 and 408,729.94 is: 613,183.69
Step by Step Solution
- Step 1: Write the proportion equation
1,118,703.04 : 1,678,297.57 = 408,729.94 : x - Step 2: Convert to fraction form
1,118,703.04/1,678,297.57 = 408,729.94/x - Step 3: Cross multiply
1,118,703.04x = 1,678,297.57 × 408,729.94 - Step 4: Simplify right side
1,118,703.04x = 685,970,459,870.68 - Step 5: Solve for x
x = 685,970,459,870.68/1,118,703.04 - Step 6: Final answer
x = 613,183.69
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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.