Finding the Fourth Proportional to 1,368,454.98, 2,052,466.97 and 457,630.44
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Solution
The fourth proportional to 1,368,454.98, 2,052,466.97 and 457,630.44 is: 686,373.60
Step by Step Solution
- Step 1: Write the proportion equation
1,368,454.98 : 2,052,466.97 = 457,630.44 : x - Step 2: Convert to fraction form
1,368,454.98/2,052,466.97 = 457,630.44/x - Step 3: Cross multiply
1,368,454.98x = 2,052,466.97 × 457,630.44 - Step 4: Simplify right side
1,368,454.98x = 939,271,367,988.05 - Step 5: Solve for x
x = 939,271,367,988.05/1,368,454.98 - Step 6: Final answer
x = 686,373.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.