Finding the Fourth Proportional to 1,059,461.36, 1,590,190.76 and 386,193.42
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Solution
The fourth proportional to 1,059,461.36, 1,590,190.76 and 386,193.42 is: 579,654.18
Step by Step Solution
- Step 1: Write the proportion equation
1,059,461.36 : 1,590,190.76 = 386,193.42 : x - Step 2: Convert to fraction form
1,059,461.36/1,590,190.76 = 386,193.42/x - Step 3: Cross multiply
1,059,461.36x = 1,590,190.76 × 386,193.42 - Step 4: Simplify right side
1,059,461.36x = 614,121,208,056.80 - Step 5: Solve for x
x = 614,121,208,056.80/1,059,461.36 - Step 6: Final answer
x = 579,654.18
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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.