Finding the Fourth Proportional to 1,276,346.79, 1,761,349.73 and 703,387.62
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Solution
The fourth proportional to 1,276,346.79, 1,761,349.73 and 703,387.62 is: 970,670.04
Step by Step Solution
- Step 1: Write the proportion equation
1,276,346.79 : 1,761,349.73 = 703,387.62 : x - Step 2: Convert to fraction form
1,276,346.79/1,761,349.73 = 703,387.62/x - Step 3: Cross multiply
1,276,346.79x = 1,761,349.73 × 703,387.62 - Step 4: Simplify right side
1,276,346.79x = 1,238,911,591,055.40 - Step 5: Solve for x
x = 1,238,911,591,055.40/1,276,346.79 - Step 6: Final answer
x = 970,670.04
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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.