Finding the Fourth Proportional to 1,331,821.08, 1,997,110.57 and 691,952.81
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Solution
The fourth proportional to 1,331,821.08, 1,997,110.57 and 691,952.81 is: 1,037,606.55
Step by Step Solution
- Step 1: Write the proportion equation
1,331,821.08 : 1,997,110.57 = 691,952.81 : x - Step 2: Convert to fraction form
1,331,821.08/1,997,110.57 = 691,952.81/x - Step 3: Cross multiply
1,331,821.08x = 1,997,110.57 × 691,952.81 - Step 4: Simplify right side
1,331,821.08x = 1,381,906,270,792.20 - Step 5: Solve for x
x = 1,381,906,270,792.20/1,331,821.08 - Step 6: Final answer
x = 1,037,606.55
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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.