Finding the Fourth Proportional to 1,147,127.04, 1,721,515.68 and 427,567.68
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Solution
The fourth proportional to 1,147,127.04, 1,721,515.68 and 427,567.68 is: 641,659.07
Step by Step Solution
- Step 1: Write the proportion equation
1,147,127.04 : 1,721,515.68 = 427,567.68 : x - Step 2: Convert to fraction form
1,147,127.04/1,721,515.68 = 427,567.68/x - Step 3: Cross multiply
1,147,127.04x = 1,721,515.68 × 427,567.68 - Step 4: Simplify right side
1,147,127.04x = 736,064,465,381.22 - Step 5: Solve for x
x = 736,064,465,381.22/1,147,127.04 - Step 6: Final answer
x = 641,659.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.