Finding the Fourth Proportional to 1,344,115.80, 2,016,756.90 and 679,267.80
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Solution
The fourth proportional to 1,344,115.80, 2,016,756.90 and 679,267.80 is: 1,019,196.43
Step by Step Solution
- Step 1: Write the proportion equation
1,344,115.80 : 2,016,756.90 = 679,267.80 : x - Step 2: Convert to fraction form
1,344,115.80/2,016,756.90 = 679,267.80/x - Step 3: Cross multiply
1,344,115.80x = 2,016,756.90 × 679,267.80 - Step 4: Simplify right side
1,344,115.80x = 1,369,918,022,597.82 - Step 5: Solve for x
x = 1,369,918,022,597.82/1,344,115.80 - Step 6: Final answer
x = 1,019,196.43
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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.