Finding the Fourth Proportional to 1,276,450.60, 1,761,477.68 and 695,678.58
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Solution
The fourth proportional to 1,276,450.60, 1,761,477.68 and 695,678.58 is: 960,023.28
Step by Step Solution
- Step 1: Write the proportion equation
1,276,450.60 : 1,761,477.68 = 695,678.58 : x - Step 2: Convert to fraction form
1,276,450.60/1,761,477.68 = 695,678.58/x - Step 3: Cross multiply
1,276,450.60x = 1,761,477.68 × 695,678.58 - Step 4: Simplify right side
1,276,450.60x = 1,225,422,291,124.09 - Step 5: Solve for x
x = 1,225,422,291,124.09/1,276,450.60 - Step 6: Final answer
x = 960,023.28
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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.