Finding the Fourth Proportional to 1,414,927.70, 2,122,391.55 and 706,339.70
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Solution
The fourth proportional to 1,414,927.70, 2,122,391.55 and 706,339.70 is: 1,059,509.55
Step by Step Solution
- Step 1: Write the proportion equation
1,414,927.70 : 2,122,391.55 = 706,339.70 : x - Step 2: Convert to fraction form
1,414,927.70/2,122,391.55 = 706,339.70/x - Step 3: Cross multiply
1,414,927.70x = 2,122,391.55 × 706,339.70 - Step 4: Simplify right side
1,414,927.70x = 1,499,129,410,709.53 - Step 5: Solve for x
x = 1,499,129,410,709.53/1,414,927.70 - Step 6: Final answer
x = 1,059,509.55
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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.