Finding the Fourth Proportional to 1,149,773.28, 1,587,344.81 and 763,113.06
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Solution
The fourth proportional to 1,149,773.28, 1,587,344.81 and 763,113.06 is: 1,053,532.53
Step by Step Solution
- Step 1: Write the proportion equation
1,149,773.28 : 1,587,344.81 = 763,113.06 : x - Step 2: Convert to fraction form
1,149,773.28/1,587,344.81 = 763,113.06/x - Step 3: Cross multiply
1,149,773.28x = 1,587,344.81 × 763,113.06 - Step 4: Simplify right side
1,149,773.28x = 1,211,323,555,234.22 - Step 5: Solve for x
x = 1,211,323,555,234.22/1,149,773.28 - Step 6: Final answer
x = 1,053,532.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.