Finding the Fourth Proportional to 1,416,272.56, 1,954,431.42 and 771,698.08
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Solution
The fourth proportional to 1,416,272.56, 1,954,431.42 and 771,698.08 is: 1,064,929.88
Step by Step Solution
- Step 1: Write the proportion equation
1,416,272.56 : 1,954,431.42 = 771,698.08 : x - Step 2: Convert to fraction form
1,416,272.56/1,954,431.42 = 771,698.08/x - Step 3: Cross multiply
1,416,272.56x = 1,954,431.42 × 771,698.08 - Step 4: Simplify right side
1,416,272.56x = 1,508,230,974,305.67 - Step 5: Solve for x
x = 1,508,230,974,305.67/1,416,272.56 - Step 6: Final answer
x = 1,064,929.88
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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.