Finding the Fourth Proportional to 1,124,821.64, 1,687,408.42 and 366,487.08
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Solution
The fourth proportional to 1,124,821.64, 1,687,408.42 and 366,487.08 is: 549,787.95
Step by Step Solution
- Step 1: Write the proportion equation
1,124,821.64 : 1,687,408.42 = 366,487.08 : x - Step 2: Convert to fraction form
1,124,821.64/1,687,408.42 = 366,487.08/x - Step 3: Cross multiply
1,124,821.64x = 1,687,408.42 × 366,487.08 - Step 4: Simplify right side
1,124,821.64x = 618,413,384,613.21 - Step 5: Solve for x
x = 618,413,384,613.21/1,124,821.64 - Step 6: Final answer
x = 549,787.95
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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.