Finding the Fourth Proportional to 1,321,205.40, 1,823,287.34 and 748,364.12
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Solution
The fourth proportional to 1,321,205.40, 1,823,287.34 and 748,364.12 is: 1,032,756.02
Step by Step Solution
- Step 1: Write the proportion equation
1,321,205.40 : 1,823,287.34 = 748,364.12 : x - Step 2: Convert to fraction form
1,321,205.40/1,823,287.34 = 748,364.12/x - Step 3: Cross multiply
1,321,205.40x = 1,823,287.34 × 748,364.12 - Step 4: Simplify right side
1,321,205.40x = 1,364,482,825,706.24 - Step 5: Solve for x
x = 1,364,482,825,706.24/1,321,205.40 - Step 6: Final answer
x = 1,032,756.02
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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.