Finding the Fourth Proportional to 1,177,160.97, 1,624,659.64 and 718,541.40
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Solution
The fourth proportional to 1,177,160.97, 1,624,659.64 and 718,541.40 is: 991,695.48
Step by Step Solution
- Step 1: Write the proportion equation
1,177,160.97 : 1,624,659.64 = 718,541.40 : x - Step 2: Convert to fraction form
1,177,160.97/1,624,659.64 = 718,541.40/x - Step 3: Cross multiply
1,177,160.97x = 1,624,659.64 × 718,541.40 - Step 4: Simplify right side
1,177,160.97x = 1,167,385,218,107.10 - Step 5: Solve for x
x = 1,167,385,218,107.10/1,177,160.97 - Step 6: Final answer
x = 991,695.48
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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.