Finding the Fourth Proportional to 1,153,393.12, 1,591,816.84 and 959,457.84
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Solution
The fourth proportional to 1,153,393.12, 1,591,816.84 and 959,457.84 is: 1,324,163.57
Step by Step Solution
- Step 1: Write the proportion equation
1,153,393.12 : 1,591,816.84 = 959,457.84 : x - Step 2: Convert to fraction form
1,153,393.12/1,591,816.84 = 959,457.84/x - Step 3: Cross multiply
1,153,393.12x = 1,591,816.84 × 959,457.84 - Step 4: Simplify right side
1,153,393.12x = 1,527,281,146,982.03 - Step 5: Solve for x
x = 1,527,281,146,982.03/1,153,393.12 - Step 6: Final answer
x = 1,324,163.57
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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.