Finding the Fourth Proportional to 1,049,537.80, 1,574,421.18 and 384,689.80
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Solution
The fourth proportional to 1,049,537.80, 1,574,421.18 and 384,689.80 is: 577,076.66
Step by Step Solution
- Step 1: Write the proportion equation
1,049,537.80 : 1,574,421.18 = 384,689.80 : x - Step 2: Convert to fraction form
1,049,537.80/1,574,421.18 = 384,689.80/x - Step 3: Cross multiply
1,049,537.80x = 1,574,421.18 × 384,689.80 - Step 4: Simplify right side
1,049,537.80x = 605,663,768,849.96 - Step 5: Solve for x
x = 605,663,768,849.96/1,049,537.80 - Step 6: Final answer
x = 577,076.66
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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.