Finding the Fourth Proportional to 1,135,593.17, 1,566,722.86 and 727,919.81
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Solution
The fourth proportional to 1,135,593.17, 1,566,722.86 and 727,919.81 is: 1,004,275.69
Step by Step Solution
- Step 1: Write the proportion equation
1,135,593.17 : 1,566,722.86 = 727,919.81 : x - Step 2: Convert to fraction form
1,135,593.17/1,566,722.86 = 727,919.81/x - Step 3: Cross multiply
1,135,593.17x = 1,566,722.86 × 727,919.81 - Step 4: Simplify right side
1,135,593.17x = 1,140,448,611,608.47 - Step 5: Solve for x
x = 1,140,448,611,608.47/1,135,593.17 - Step 6: Final answer
x = 1,004,275.69
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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.