Finding the Fourth Proportional to 1,358,520.21, 2,037,655.35 and 459,859.23
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Solution
The fourth proportional to 1,358,520.21, 2,037,655.35 and 459,859.23 is: 689,746.54
Step by Step Solution
- Step 1: Write the proportion equation
1,358,520.21 : 2,037,655.35 = 459,859.23 : x - Step 2: Convert to fraction form
1,358,520.21/2,037,655.35 = 459,859.23/x - Step 3: Cross multiply
1,358,520.21x = 2,037,655.35 × 459,859.23 - Step 4: Simplify right side
1,358,520.21x = 937,034,620,256.38 - Step 5: Solve for x
x = 937,034,620,256.38/1,358,520.21 - Step 6: Final answer
x = 689,746.54
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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.