Finding the Fourth Proportional to 1,118,700.79, 1,678,294.18 and 408,727.69
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Solution
The fourth proportional to 1,118,700.79, 1,678,294.18 and 408,727.69 is: 613,180.31
Step by Step Solution
- Step 1: Write the proportion equation
1,118,700.79 : 1,678,294.18 = 408,727.69 : x - Step 2: Convert to fraction form
1,118,700.79/1,678,294.18 = 408,727.69/x - Step 3: Cross multiply
1,118,700.79x = 1,678,294.18 × 408,727.69 - Step 4: Simplify right side
1,118,700.79x = 685,965,299,647.02 - Step 5: Solve for x
x = 685,965,299,647.02/1,118,700.79 - Step 6: Final answer
x = 613,180.31
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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.