Finding the Fourth Proportional to 1,203,312.08, 1,804,968.12 and 612,750.80
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Solution
The fourth proportional to 1,203,312.08, 1,804,968.12 and 612,750.80 is: 919,126.20
Step by Step Solution
- Step 1: Write the proportion equation
1,203,312.08 : 1,804,968.12 = 612,750.80 : x - Step 2: Convert to fraction form
1,203,312.08/1,804,968.12 = 612,750.80/x - Step 3: Cross multiply
1,203,312.08x = 1,804,968.12 × 612,750.80 - Step 4: Simplify right side
1,203,312.08x = 1,105,995,659,504.50 - Step 5: Solve for x
x = 1,105,995,659,504.50/1,203,312.08 - Step 6: Final answer
x = 919,126.20
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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.