Finding the Fourth Proportional to 1,474,318.79, 2,034,625.41 and 829,780.73
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Solution
The fourth proportional to 1,474,318.79, 2,034,625.41 and 829,780.73 is: 1,145,134.26
Step by Step Solution
- Step 1: Write the proportion equation
1,474,318.79 : 2,034,625.41 = 829,780.73 : x - Step 2: Convert to fraction form
1,474,318.79/2,034,625.41 = 829,780.73/x - Step 3: Cross multiply
1,474,318.79x = 2,034,625.41 × 829,780.73 - Step 4: Simplify right side
1,474,318.79x = 1,688,292,947,813.22 - Step 5: Solve for x
x = 1,688,292,947,813.22/1,474,318.79 - Step 6: Final answer
x = 1,145,134.26
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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.