Finding the Fourth Proportional to 1,276,794.29, 1,761,942.84 and 696,028.88
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Solution
The fourth proportional to 1,276,794.29, 1,761,942.84 and 696,028.88 is: 960,501.71
Step by Step Solution
- Step 1: Write the proportion equation
1,276,794.29 : 1,761,942.84 = 696,028.88 : x - Step 2: Convert to fraction form
1,276,794.29/1,761,942.84 = 696,028.88/x - Step 3: Cross multiply
1,276,794.29x = 1,761,942.84 × 696,028.88 - Step 4: Simplify right side
1,276,794.29x = 1,226,363,101,549.22 - Step 5: Solve for x
x = 1,226,363,101,549.22/1,276,794.29 - Step 6: Final answer
x = 960,501.71
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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.