Finding the Fourth Proportional to 1,231,737.44, 1,699,551.11 and 687,789.53
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Solution
The fourth proportional to 1,231,737.44, 1,699,551.11 and 687,789.53 is: 949,011.88
Step by Step Solution
- Step 1: Write the proportion equation
1,231,737.44 : 1,699,551.11 = 687,789.53 : x - Step 2: Convert to fraction form
1,231,737.44/1,699,551.11 = 687,789.53/x - Step 3: Cross multiply
1,231,737.44x = 1,699,551.11 × 687,789.53 - Step 4: Simplify right side
1,231,737.44x = 1,168,933,459,157.88 - Step 5: Solve for x
x = 1,168,933,459,157.88/1,231,737.44 - Step 6: Final answer
x = 949,011.88
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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.