Finding the Fourth Proportional to 1,147,136.43, 1,720,701.58 and 427,461.75
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Solution
The fourth proportional to 1,147,136.43, 1,720,701.58 and 427,461.75 is: 641,191.48
Step by Step Solution
- Step 1: Write the proportion equation
1,147,136.43 : 1,720,701.58 = 427,461.75 : x - Step 2: Convert to fraction form
1,147,136.43/1,720,701.58 = 427,461.75/x - Step 3: Cross multiply
1,147,136.43x = 1,720,701.58 × 427,461.75 - Step 4: Simplify right side
1,147,136.43x = 735,534,112,593.42 - Step 5: Solve for x
x = 735,534,112,593.42/1,147,136.43 - Step 6: Final answer
x = 641,191.48
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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.