Finding the Fourth Proportional to 1,255,890.96, 1,883,901.60 and 414,508.32
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Solution
The fourth proportional to 1,255,890.96, 1,883,901.60 and 414,508.32 is: 621,783.99
Step by Step Solution
- Step 1: Write the proportion equation
1,255,890.96 : 1,883,901.60 = 414,508.32 : x - Step 2: Convert to fraction form
1,255,890.96/1,883,901.60 = 414,508.32/x - Step 3: Cross multiply
1,255,890.96x = 1,883,901.60 × 414,508.32 - Step 4: Simplify right side
1,255,890.96x = 780,892,887,261.31 - Step 5: Solve for x
x = 780,892,887,261.31/1,255,890.96 - Step 6: Final answer
x = 621,783.99
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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.