Finding the Fourth Proportional to 1,174,248.12, 1,620,470.70 and 637,704.12
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Solution
The fourth proportional to 1,174,248.12, 1,620,470.70 and 637,704.12 is: 880,036.19
Step by Step Solution
- Step 1: Write the proportion equation
1,174,248.12 : 1,620,470.70 = 637,704.12 : x - Step 2: Convert to fraction form
1,174,248.12/1,620,470.70 = 637,704.12/x - Step 3: Cross multiply
1,174,248.12x = 1,620,470.70 × 637,704.12 - Step 4: Simplify right side
1,174,248.12x = 1,033,380,841,729.28 - Step 5: Solve for x
x = 1,033,380,841,729.28/1,174,248.12 - Step 6: Final answer
x = 880,036.19
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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.