Finding the Fourth Proportional to 1,037,384.62, 1,555,702.50 and 438,392.05
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Solution
The fourth proportional to 1,037,384.62, 1,555,702.50 and 438,392.05 is: 657,429.84
Step by Step Solution
- Step 1: Write the proportion equation
1,037,384.62 : 1,555,702.50 = 438,392.05 : x - Step 2: Convert to fraction form
1,037,384.62/1,555,702.50 = 438,392.05/x - Step 3: Cross multiply
1,037,384.62x = 1,555,702.50 × 438,392.05 - Step 4: Simplify right side
1,037,384.62x = 682,007,608,165.13 - Step 5: Solve for x
x = 682,007,608,165.13/1,037,384.62 - Step 6: Final answer
x = 657,429.84
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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.