Finding the Fourth Proportional to 1,203,114.90, 1,804,672.35 and 755,217.30
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Solution
The fourth proportional to 1,203,114.90, 1,804,672.35 and 755,217.30 is: 1,132,825.95
Step by Step Solution
- Step 1: Write the proportion equation
1,203,114.90 : 1,804,672.35 = 755,217.30 : x - Step 2: Convert to fraction form
1,203,114.90/1,804,672.35 = 755,217.30/x - Step 3: Cross multiply
1,203,114.90x = 1,804,672.35 × 755,217.30 - Step 4: Simplify right side
1,203,114.90x = 1,362,919,779,551.66 - Step 5: Solve for x
x = 1,362,919,779,551.66/1,203,114.90 - Step 6: Final answer
x = 1,132,825.95
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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.