Finding the Fourth Proportional to 1,306,181.40, 1,956,647.70 and 744,559.80
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Solution
The fourth proportional to 1,306,181.40, 1,956,647.70 and 744,559.80 is: 1,115,343.72
Step by Step Solution
- Step 1: Write the proportion equation
1,306,181.40 : 1,956,647.70 = 744,559.80 : x - Step 2: Convert to fraction form
1,306,181.40/1,956,647.70 = 744,559.80/x - Step 3: Cross multiply
1,306,181.40x = 1,956,647.70 × 744,559.80 - Step 4: Simplify right side
1,306,181.40x = 1,456,841,220,182.46 - Step 5: Solve for x
x = 1,456,841,220,182.46/1,306,181.40 - Step 6: Final answer
x = 1,115,343.72
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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.