Finding the Fourth Proportional to 1,276,374.96, 1,761,409.08 and 703,435.92
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Solution
The fourth proportional to 1,276,374.96, 1,761,409.08 and 703,435.92 is: 970,747.98
Step by Step Solution
- Step 1: Write the proportion equation
1,276,374.96 : 1,761,409.08 = 703,435.92 : x - Step 2: Convert to fraction form
1,276,374.96/1,761,409.08 = 703,435.92/x - Step 3: Cross multiply
1,276,374.96x = 1,761,409.08 × 703,435.92 - Step 4: Simplify right side
1,276,374.96x = 1,239,038,416,686.15 - Step 5: Solve for x
x = 1,239,038,416,686.15/1,276,374.96 - Step 6: Final answer
x = 970,747.98
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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.