Finding the Fourth Proportional to 1,034,639.48, 1,551,506.70 and 521,989.13
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Solution
The fourth proportional to 1,034,639.48, 1,551,506.70 and 521,989.13 is: 782,755.40
Step by Step Solution
- Step 1: Write the proportion equation
1,034,639.48 : 1,551,506.70 = 521,989.13 : x - Step 2: Convert to fraction form
1,034,639.48/1,551,506.70 = 521,989.13/x - Step 3: Cross multiply
1,034,639.48x = 1,551,506.70 × 521,989.13 - Step 4: Simplify right side
1,034,639.48x = 809,869,638,358.40 - Step 5: Solve for x
x = 809,869,638,358.40/1,034,639.48 - Step 6: Final answer
x = 782,755.40
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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.