Finding the Fourth Proportional to 1,122,446.05, 1,548,943.07 and 613,148.42
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Solution
The fourth proportional to 1,122,446.05, 1,548,943.07 and 613,148.42 is: 846,127.08
Step by Step Solution
- Step 1: Write the proportion equation
1,122,446.05 : 1,548,943.07 = 613,148.42 : x - Step 2: Convert to fraction form
1,122,446.05/1,548,943.07 = 613,148.42/x - Step 3: Cross multiply
1,122,446.05x = 1,548,943.07 × 613,148.42 - Step 4: Simplify right side
1,122,446.05x = 949,731,996,040.45 - Step 5: Solve for x
x = 949,731,996,040.45/1,122,446.05 - Step 6: Final answer
x = 846,127.08
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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.