Finding the Fourth Proportional to 1,213,885.44, 1,675,330.56 and 677,376
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Solution
The fourth proportional to 1,213,885.44, 1,675,330.56 and 677,376 is: 934,872.99
Step by Step Solution
- Step 1: Write the proportion equation
1,213,885.44 : 1,675,330.56 = 677,376 : x - Step 2: Convert to fraction form
1,213,885.44/1,675,330.56 = 677,376/x - Step 3: Cross multiply
1,213,885.44x = 1,675,330.56 × 677,376 - Step 4: Simplify right side
1,213,885.44x = 1,134,828,713,410.56 - Step 5: Solve for x
x = 1,134,828,713,410.56/1,213,885.44 - Step 6: Final answer
x = 934,872.99
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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.