Finding the Fourth Proportional to 1,167,275.38, 1,611,589.74 and 732,289.12
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Solution
The fourth proportional to 1,167,275.38, 1,611,589.74 and 732,289.12 is: 1,011,029.32
Step by Step Solution
- Step 1: Write the proportion equation
1,167,275.38 : 1,611,589.74 = 732,289.12 : x - Step 2: Convert to fraction form
1,167,275.38/1,611,589.74 = 732,289.12/x - Step 3: Cross multiply
1,167,275.38x = 1,611,589.74 × 732,289.12 - Step 4: Simplify right side
1,167,275.38x = 1,180,149,632,505.63 - Step 5: Solve for x
x = 1,180,149,632,505.63/1,167,275.38 - Step 6: Final answer
x = 1,011,029.32
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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.