Finding the Fourth Proportional to 1,414,927.20, 2,122,390.80 and 706,339.20
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Solution
The fourth proportional to 1,414,927.20, 2,122,390.80 and 706,339.20 is: 1,059,508.80
Step by Step Solution
- Step 1: Write the proportion equation
1,414,927.20 : 2,122,390.80 = 706,339.20 : x - Step 2: Convert to fraction form
1,414,927.20/2,122,390.80 = 706,339.20/x - Step 3: Cross multiply
1,414,927.20x = 2,122,390.80 × 706,339.20 - Step 4: Simplify right side
1,414,927.20x = 1,499,127,819,759.36 - Step 5: Solve for x
x = 1,499,127,819,759.36/1,414,927.20 - Step 6: Final answer
x = 1,059,508.80
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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.