Finding the Fourth Proportional to 1,276,142.08, 1,761,154.68 and 703,182.16
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Solution
The fourth proportional to 1,276,142.08, 1,761,154.68 and 703,182.16 is: 970,434.70
Step by Step Solution
- Step 1: Write the proportion equation
1,276,142.08 : 1,761,154.68 = 703,182.16 : x - Step 2: Convert to fraction form
1,276,142.08/1,761,154.68 = 703,182.16/x - Step 3: Cross multiply
1,276,142.08x = 1,761,154.68 × 703,182.16 - Step 4: Simplify right side
1,276,142.08x = 1,238,412,551,976.51 - Step 5: Solve for x
x = 1,238,412,551,976.51/1,276,142.08 - Step 6: Final answer
x = 970,434.70
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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.