Finding the Fourth Proportional to 1,117,720.24, 1,675,639.95 and 486,158.38
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Solution
The fourth proportional to 1,117,720.24, 1,675,639.95 and 486,158.38 is: 728,828.53
Step by Step Solution
- Step 1: Write the proportion equation
1,117,720.24 : 1,675,639.95 = 486,158.38 : x - Step 2: Convert to fraction form
1,117,720.24/1,675,639.95 = 486,158.38/x - Step 3: Cross multiply
1,117,720.24x = 1,675,639.95 × 486,158.38 - Step 4: Simplify right side
1,117,720.24x = 814,626,397,543.09 - Step 5: Solve for x
x = 814,626,397,543.09/1,117,720.24 - Step 6: Final answer
x = 728,828.53
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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.