Finding the Fourth Proportional to 1,022,861.63, 1,411,560.12 and 563,977.09
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Solution
The fourth proportional to 1,022,861.63, 1,411,560.12 and 563,977.09 is: 778,294.49
Step by Step Solution
- Step 1: Write the proportion equation
1,022,861.63 : 1,411,560.12 = 563,977.09 : x - Step 2: Convert to fraction form
1,022,861.63/1,411,560.12 = 563,977.09/x - Step 3: Cross multiply
1,022,861.63x = 1,411,560.12 × 563,977.09 - Step 4: Simplify right side
1,022,861.63x = 796,087,568,837.65 - Step 5: Solve for x
x = 796,087,568,837.65/1,022,861.63 - Step 6: Final answer
x = 778,294.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.