Finding the Fourth Proportional to 1,276,298.02, 1,761,328.19 and 703,375.09
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Solution
The fourth proportional to 1,276,298.02, 1,761,328.19 and 703,375.09 is: 970,677.98
Step by Step Solution
- Step 1: Write the proportion equation
1,276,298.02 : 1,761,328.19 = 703,375.09 : x - Step 2: Convert to fraction form
1,276,298.02/1,761,328.19 = 703,375.09/x - Step 3: Cross multiply
1,276,298.02x = 1,761,328.19 × 703,375.09 - Step 4: Simplify right side
1,276,298.02x = 1,238,874,381,423.38 - Step 5: Solve for x
x = 1,238,874,381,423.38/1,276,298.02 - Step 6: Final answer
x = 970,677.98
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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.