Finding the Fourth Proportional to 1,344,873.12, 2,017,311.12 and 777,118.56
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Solution
The fourth proportional to 1,344,873.12, 2,017,311.12 and 777,118.56 is: 1,165,678.67
Step by Step Solution
- Step 1: Write the proportion equation
1,344,873.12 : 2,017,311.12 = 777,118.56 : x - Step 2: Convert to fraction form
1,344,873.12/2,017,311.12 = 777,118.56/x - Step 3: Cross multiply
1,344,873.12x = 2,017,311.12 × 777,118.56 - Step 4: Simplify right side
1,344,873.12x = 1,567,689,912,646.39 - Step 5: Solve for x
x = 1,567,689,912,646.39/1,344,873.12 - Step 6: Final answer
x = 1,165,678.67
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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.