Finding the Fourth Proportional to 1,437,126.80, 2,155,097.08 and 490,573.84
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Solution
The fourth proportional to 1,437,126.80, 2,155,097.08 and 490,573.84 is: 735,658.29
Step by Step Solution
- Step 1: Write the proportion equation
1,437,126.80 : 2,155,097.08 = 490,573.84 : x - Step 2: Convert to fraction form
1,437,126.80/2,155,097.08 = 490,573.84/x - Step 3: Cross multiply
1,437,126.80x = 2,155,097.08 × 490,573.84 - Step 4: Simplify right side
1,437,126.80x = 1,057,234,250,108.39 - Step 5: Solve for x
x = 1,057,234,250,108.39/1,437,126.80 - Step 6: Final answer
x = 735,658.29
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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.