Finding the Fourth Proportional to 1,205,956.24, 1,664,136.36 and 669,370
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Solution
The fourth proportional to 1,205,956.24, 1,664,136.36 and 669,370 is: 923,684.39
Step by Step Solution
- Step 1: Write the proportion equation
1,205,956.24 : 1,664,136.36 = 669,370 : x - Step 2: Convert to fraction form
1,205,956.24/1,664,136.36 = 669,370/x - Step 3: Cross multiply
1,205,956.24x = 1,664,136.36 × 669,370 - Step 4: Simplify right side
1,205,956.24x = 1,113,922,955,293.20 - Step 5: Solve for x
x = 1,113,922,955,293.20/1,205,956.24 - Step 6: Final answer
x = 923,684.39
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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.