Finding the Fourth Proportional to 1,361,229.76, 1,878,465.12 and 757,604.80
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Solution
The fourth proportional to 1,361,229.76, 1,878,465.12 and 757,604.80 is: 1,045,476.84
Step by Step Solution
- Step 1: Write the proportion equation
1,361,229.76 : 1,878,465.12 = 757,604.80 : x - Step 2: Convert to fraction form
1,361,229.76/1,878,465.12 = 757,604.80/x - Step 3: Cross multiply
1,361,229.76x = 1,878,465.12 × 757,604.80 - Step 4: Simplify right side
1,361,229.76x = 1,423,134,191,544.58 - Step 5: Solve for x
x = 1,423,134,191,544.58/1,361,229.76 - Step 6: Final answer
x = 1,045,476.84
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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.