Finding the Fourth Proportional to 1,080,406.67, 1,620,439.63 and 679,821.17
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Solution
The fourth proportional to 1,080,406.67, 1,620,439.63 and 679,821.17 is: 1,019,624.55
Step by Step Solution
- Step 1: Write the proportion equation
1,080,406.67 : 1,620,439.63 = 679,821.17 : x - Step 2: Convert to fraction form
1,080,406.67/1,620,439.63 = 679,821.17/x - Step 3: Cross multiply
1,080,406.67x = 1,620,439.63 × 679,821.17 - Step 4: Simplify right side
1,080,406.67x = 1,101,609,155,379.22 - Step 5: Solve for x
x = 1,101,609,155,379.22/1,080,406.67 - Step 6: Final answer
x = 1,019,624.55
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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.