Finding the Fourth Proportional to 1,416,343.60, 1,954,528.84 and 771,769.36
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Solution
The fourth proportional to 1,416,343.60, 1,954,528.84 and 771,769.36 is: 1,065,027.92
Step by Step Solution
- Step 1: Write the proportion equation
1,416,343.60 : 1,954,528.84 = 771,769.36 : x - Step 2: Convert to fraction form
1,416,343.60/1,954,528.84 = 771,769.36/x - Step 3: Cross multiply
1,416,343.60x = 1,954,528.84 × 771,769.36 - Step 4: Simplify right side
1,416,343.60x = 1,508,445,471,948.34 - Step 5: Solve for x
x = 1,508,445,471,948.34/1,416,343.60 - Step 6: Final answer
x = 1,065,027.92
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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.