Finding the Fourth Proportional to 1,247,361.29, 1,721,230.02 and 920,847.95
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Solution
The fourth proportional to 1,247,361.29, 1,721,230.02 and 920,847.95 is: 1,270,675.26
Step by Step Solution
- Step 1: Write the proportion equation
1,247,361.29 : 1,721,230.02 = 920,847.95 : x - Step 2: Convert to fraction form
1,247,361.29/1,721,230.02 = 920,847.95/x - Step 3: Cross multiply
1,247,361.29x = 1,721,230.02 × 920,847.95 - Step 4: Simplify right side
1,247,361.29x = 1,584,991,135,395.46 - Step 5: Solve for x
x = 1,584,991,135,395.46/1,247,361.29 - Step 6: Final answer
x = 1,270,675.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.