Finding the Fourth Proportional to 1,276,251.84, 1,761,239.18 and 703,312.56
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Solution
The fourth proportional to 1,276,251.84, 1,761,239.18 and 703,312.56 is: 970,577.75
Step by Step Solution
- Step 1: Write the proportion equation
1,276,251.84 : 1,761,239.18 = 703,312.56 : x - Step 2: Convert to fraction form
1,276,251.84/1,761,239.18 = 703,312.56/x - Step 3: Cross multiply
1,276,251.84x = 1,761,239.18 × 703,312.56 - Step 4: Simplify right side
1,276,251.84x = 1,238,701,636,458.10 - Step 5: Solve for x
x = 1,238,701,636,458.10/1,276,251.84 - Step 6: Final answer
x = 970,577.75
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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.