Finding the Fourth Proportional to 1,036,715.01, 1,554,967.41 and 278,457.96
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Solution
The fourth proportional to 1,036,715.01, 1,554,967.41 and 278,457.96 is: 417,658.71
Step by Step Solution
- Step 1: Write the proportion equation
1,036,715.01 : 1,554,967.41 = 278,457.96 : x - Step 2: Convert to fraction form
1,036,715.01/1,554,967.41 = 278,457.96/x - Step 3: Cross multiply
1,036,715.01x = 1,554,967.41 × 278,457.96 - Step 4: Simplify right side
1,036,715.01x = 432,993,052,855.08 - Step 5: Solve for x
x = 432,993,052,855.08/1,036,715.01 - Step 6: Final answer
x = 417,658.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.