Finding the Fourth Proportional to 1,276,692.42, 1,761,835.11 and 703,742.16
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Solution
The fourth proportional to 1,276,692.42, 1,761,835.11 and 703,742.16 is: 971,163.94
Step by Step Solution
- Step 1: Write the proportion equation
1,276,692.42 : 1,761,835.11 = 703,742.16 : x - Step 2: Convert to fraction form
1,276,692.42/1,761,835.11 = 703,742.16/x - Step 3: Cross multiply
1,276,692.42x = 1,761,835.11 × 703,742.16 - Step 4: Simplify right side
1,276,692.42x = 1,239,877,645,875.24 - Step 5: Solve for x
x = 1,239,877,645,875.24/1,276,692.42 - Step 6: Final answer
x = 971,163.94
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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.