Finding the Fourth Proportional to 1,276,697.05, 1,761,841.50 and 703,746.79
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Solution
The fourth proportional to 1,276,697.05, 1,761,841.50 and 703,746.79 is: 971,170.33
Step by Step Solution
- Step 1: Write the proportion equation
1,276,697.05 : 1,761,841.50 = 703,746.79 : x - Step 2: Convert to fraction form
1,276,697.05/1,761,841.50 = 703,746.79/x - Step 3: Cross multiply
1,276,697.05x = 1,761,841.50 × 703,746.79 - Step 4: Simplify right side
1,276,697.05x = 1,239,890,293,070.13 - Step 5: Solve for x
x = 1,239,890,293,070.13/1,276,697.05 - Step 6: Final answer
x = 971,170.33
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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.