Finding the Fourth Proportional to 1,330,756.58, 1,996,484.99 and 691,102.82
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Solution
The fourth proportional to 1,330,756.58, 1,996,484.99 and 691,102.82 is: 1,036,836.06
Step by Step Solution
- Step 1: Write the proportion equation
1,330,756.58 : 1,996,484.99 = 691,102.82 : x - Step 2: Convert to fraction form
1,330,756.58/1,996,484.99 = 691,102.82/x - Step 3: Cross multiply
1,330,756.58x = 1,996,484.99 × 691,102.82 - Step 4: Simplify right side
1,330,756.58x = 1,379,776,406,676.67 - Step 5: Solve for x
x = 1,379,776,406,676.67/1,330,756.58 - Step 6: Final answer
x = 1,036,836.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.