Finding the Fourth Proportional to 1,168,116.20, 1,748,675.10 and 694,557.80
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Solution
The fourth proportional to 1,168,116.20, 1,748,675.10 and 694,557.80 is: 1,039,756.09
Step by Step Solution
- Step 1: Write the proportion equation
1,168,116.20 : 1,748,675.10 = 694,557.80 : x - Step 2: Convert to fraction form
1,168,116.20/1,748,675.10 = 694,557.80/x - Step 3: Cross multiply
1,168,116.20x = 1,748,675.10 × 694,557.80 - Step 4: Simplify right side
1,168,116.20x = 1,214,555,930,370.78 - Step 5: Solve for x
x = 1,214,555,930,370.78/1,168,116.20 - Step 6: Final answer
x = 1,039,756.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.