Finding the Fourth Proportional to 1,125,319.40, 1,687,714.14 and 326,390.12
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Solution
The fourth proportional to 1,125,319.40, 1,687,714.14 and 326,390.12 is: 489,508.33
Step by Step Solution
- Step 1: Write the proportion equation
1,125,319.40 : 1,687,714.14 = 326,390.12 : x - Step 2: Convert to fraction form
1,125,319.40/1,687,714.14 = 326,390.12/x - Step 3: Cross multiply
1,125,319.40x = 1,687,714.14 × 326,390.12 - Step 4: Simplify right side
1,125,319.40x = 550,853,220,680.30 - Step 5: Solve for x
x = 550,853,220,680.30/1,125,319.40 - Step 6: Final answer
x = 489,508.33
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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.