Finding the Fourth Proportional to 1,174,212.15, 1,620,261.50 and 690,600.84
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Solution
The fourth proportional to 1,174,212.15, 1,620,261.50 and 690,600.84 is: 952,940.19
Step by Step Solution
- Step 1: Write the proportion equation
1,174,212.15 : 1,620,261.50 = 690,600.84 : x - Step 2: Convert to fraction form
1,174,212.15/1,620,261.50 = 690,600.84/x - Step 3: Cross multiply
1,174,212.15x = 1,620,261.50 × 690,600.84 - Step 4: Simplify right side
1,174,212.15x = 1,118,953,949,217.62 - Step 5: Solve for x
x = 1,118,953,949,217.62/1,174,212.15 - Step 6: Final answer
x = 952,940.19
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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.