Finding the Fourth Proportional to 1,232,702.44, 1,701,653.28 and 749,421.90
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Solution
The fourth proportional to 1,232,702.44, 1,701,653.28 and 749,421.90 is: 1,034,520.73
Step by Step Solution
- Step 1: Write the proportion equation
1,232,702.44 : 1,701,653.28 = 749,421.90 : x - Step 2: Convert to fraction form
1,232,702.44/1,701,653.28 = 749,421.90/x - Step 3: Cross multiply
1,232,702.44x = 1,701,653.28 × 749,421.90 - Step 4: Simplify right side
1,232,702.44x = 1,275,256,234,238.83 - Step 5: Solve for x
x = 1,275,256,234,238.83/1,232,702.44 - Step 6: Final answer
x = 1,034,520.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.