Finding the Fourth Proportional to 1,247,937.18, 1,722,153.43 and 674,977.38
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Solution
The fourth proportional to 1,247,937.18, 1,722,153.43 and 674,977.38 is: 931,468.85
Step by Step Solution
- Step 1: Write the proportion equation
1,247,937.18 : 1,722,153.43 = 674,977.38 : x - Step 2: Convert to fraction form
1,247,937.18/1,722,153.43 = 674,977.38/x - Step 3: Cross multiply
1,247,937.18x = 1,722,153.43 × 674,977.38 - Step 4: Simplify right side
1,247,937.18x = 1,162,414,610,139.41 - Step 5: Solve for x
x = 1,162,414,610,139.41/1,247,937.18 - Step 6: Final answer
x = 931,468.85
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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.