Finding the Fourth Proportional to 1,028,138.39, 1,542,530.21 and 618,279.42
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Solution
The fourth proportional to 1,028,138.39, 1,542,530.21 and 618,279.42 is: 927,613.14
Step by Step Solution
- Step 1: Write the proportion equation
1,028,138.39 : 1,542,530.21 = 618,279.42 : x - Step 2: Convert to fraction form
1,028,138.39/1,542,530.21 = 618,279.42/x - Step 3: Cross multiply
1,028,138.39x = 1,542,530.21 × 618,279.42 - Step 4: Simplify right side
1,028,138.39x = 953,714,680,479.88 - Step 5: Solve for x
x = 953,714,680,479.88/1,028,138.39 - Step 6: Final answer
x = 927,613.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.