Finding the Fourth Proportional to 1,251,786.84, 1,727,466.24 and 678,826.84
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Solution
The fourth proportional to 1,251,786.84, 1,727,466.24 and 678,826.84 is: 936,781.26
Step by Step Solution
- Step 1: Write the proportion equation
1,251,786.84 : 1,727,466.24 = 678,826.84 : x - Step 2: Convert to fraction form
1,251,786.84/1,727,466.24 = 678,826.84/x - Step 3: Cross multiply
1,251,786.84x = 1,727,466.24 × 678,826.84 - Step 4: Simplify right side
1,251,786.84x = 1,172,650,448,905.88 - Step 5: Solve for x
x = 1,172,650,448,905.88/1,251,786.84 - Step 6: Final answer
x = 936,781.26
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1.5x scale
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.