Finding the Fourth Proportional to 1,118,744.66, 1,678,359.99 and 408,771.56
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Solution
The fourth proportional to 1,118,744.66, 1,678,359.99 and 408,771.56 is: 613,246.13
Step by Step Solution
- Step 1: Write the proportion equation
1,118,744.66 : 1,678,359.99 = 408,771.56 : x - Step 2: Convert to fraction form
1,118,744.66/1,678,359.99 = 408,771.56/x - Step 3: Cross multiply
1,118,744.66x = 1,678,359.99 × 408,771.56 - Step 4: Simplify right side
1,118,744.66x = 686,065,837,082.68 - Step 5: Solve for x
x = 686,065,837,082.68/1,118,744.66 - Step 6: Final answer
x = 613,246.13
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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.