Finding the Fourth Proportional to 1,236,202.34, 1,705,764.37 and 720,041.18
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Solution
The fourth proportional to 1,236,202.34, 1,705,764.37 and 720,041.18 is: 993,543.33
Step by Step Solution
- Step 1: Write the proportion equation
1,236,202.34 : 1,705,764.37 = 720,041.18 : x - Step 2: Convert to fraction form
1,236,202.34/1,705,764.37 = 720,041.18/x - Step 3: Cross multiply
1,236,202.34x = 1,705,764.37 × 720,041.18 - Step 4: Simplify right side
1,236,202.34x = 1,228,220,589,776.76 - Step 5: Solve for x
x = 1,228,220,589,776.76/1,236,202.34 - Step 6: Final answer
x = 993,543.33
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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.