Finding the Fourth Proportional to 1,124,837.62, 1,687,650.12 and 326,167.08
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Solution
The fourth proportional to 1,124,837.62, 1,687,650.12 and 326,167.08 is: 489,364.78
Step by Step Solution
- Step 1: Write the proportion equation
1,124,837.62 : 1,687,650.12 = 326,167.08 : x - Step 2: Convert to fraction form
1,124,837.62/1,687,650.12 = 326,167.08/x - Step 3: Cross multiply
1,124,837.62x = 1,687,650.12 × 326,167.08 - Step 4: Simplify right side
1,124,837.62x = 550,455,911,702.05 - Step 5: Solve for x
x = 550,455,911,702.05/1,124,837.62 - Step 6: Final answer
x = 489,364.78
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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.