Finding the Fourth Proportional to 1,417,661.24, 1,956,419.74 and 773,116.60
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Solution
The fourth proportional to 1,417,661.24, 1,956,419.74 and 773,116.60 is: 1,066,926.66
Step by Step Solution
- Step 1: Write the proportion equation
1,417,661.24 : 1,956,419.74 = 773,116.60 : x - Step 2: Convert to fraction form
1,417,661.24/1,956,419.74 = 773,116.60/x - Step 3: Cross multiply
1,417,661.24x = 1,956,419.74 × 773,116.60 - Step 4: Simplify right side
1,417,661.24x = 1,512,540,577,561.68 - Step 5: Solve for x
x = 1,512,540,577,561.68/1,417,661.24 - Step 6: Final answer
x = 1,066,926.66
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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.