Finding the Fourth Proportional to 1,027,446.41, 1,418,446.13 and 619,651.98
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Solution
The fourth proportional to 1,027,446.41, 1,418,446.13 and 619,651.98 is: 855,463.55
Step by Step Solution
- Step 1: Write the proportion equation
1,027,446.41 : 1,418,446.13 = 619,651.98 : x - Step 2: Convert to fraction form
1,027,446.41/1,418,446.13 = 619,651.98/x - Step 3: Cross multiply
1,027,446.41x = 1,418,446.13 × 619,651.98 - Step 4: Simplify right side
1,027,446.41x = 878,942,952,977.84 - Step 5: Solve for x
x = 878,942,952,977.84/1,027,446.41 - Step 6: Final answer
x = 855,463.55
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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.