Finding the Fourth Proportional to 1,276,248.96, 1,761,235.20 and 703,309.68
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Solution
The fourth proportional to 1,276,248.96, 1,761,235.20 and 703,309.68 is: 970,573.77
Step by Step Solution
- Step 1: Write the proportion equation
1,276,248.96 : 1,761,235.20 = 703,309.68 : x - Step 2: Convert to fraction form
1,276,248.96/1,761,235.20 = 703,309.68/x - Step 3: Cross multiply
1,276,248.96x = 1,761,235.20 × 703,309.68 - Step 4: Simplify right side
1,276,248.96x = 1,238,693,764,916.74 - Step 5: Solve for x
x = 1,238,693,764,916.74/1,276,248.96 - Step 6: Final answer
x = 970,573.77
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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.