Finding the Fourth Proportional to 1,276,448.14, 1,761,468.10 and 695,689.62
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Solution
The fourth proportional to 1,276,448.14, 1,761,468.10 and 695,689.62 is: 960,035.14
Step by Step Solution
- Step 1: Write the proportion equation
1,276,448.14 : 1,761,468.10 = 695,689.62 : x - Step 2: Convert to fraction form
1,276,448.14/1,761,468.10 = 695,689.62/x - Step 3: Cross multiply
1,276,448.14x = 1,761,468.10 × 695,689.62 - Step 4: Simplify right side
1,276,448.14x = 1,225,435,073,131.12 - Step 5: Solve for x
x = 1,225,435,073,131.12/1,276,448.14 - Step 6: Final answer
x = 960,035.14
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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.