Finding the Fourth Proportional to 1,059,538.23, 1,590,306.21 and 386,270.28
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Solution
The fourth proportional to 1,059,538.23, 1,590,306.21 and 386,270.28 is: 579,769.57
Step by Step Solution
- Step 1: Write the proportion equation
1,059,538.23 : 1,590,306.21 = 386,270.28 : x - Step 2: Convert to fraction form
1,059,538.23/1,590,306.21 = 386,270.28/x - Step 3: Cross multiply
1,059,538.23x = 1,590,306.21 × 386,270.28 - Step 4: Simplify right side
1,059,538.23x = 614,288,025,022.44 - Step 5: Solve for x
x = 614,288,025,022.44/1,059,538.23 - Step 6: Final answer
x = 579,769.57
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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.