Finding the Fourth Proportional to 1,228,694.88, 1,695,393.36 and 684,711.36
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Solution
The fourth proportional to 1,228,694.88, 1,695,393.36 and 684,711.36 is: 944,787.12
Step by Step Solution
- Step 1: Write the proportion equation
1,228,694.88 : 1,695,393.36 = 684,711.36 : x - Step 2: Convert to fraction form
1,228,694.88/1,695,393.36 = 684,711.36/x - Step 3: Cross multiply
1,228,694.88x = 1,695,393.36 × 684,711.36 - Step 4: Simplify right side
1,228,694.88x = 1,160,855,093,260.57 - Step 5: Solve for x
x = 1,160,855,093,260.57/1,228,694.88 - Step 6: Final answer
x = 944,787.12
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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.