Finding the Fourth Proportional to 1,308,461.94, 1,805,412.35 and 764,492.62
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Solution
The fourth proportional to 1,308,461.94, 1,805,412.35 and 764,492.62 is: 1,054,844.91
Step by Step Solution
- Step 1: Write the proportion equation
1,308,461.94 : 1,805,412.35 = 764,492.62 : x - Step 2: Convert to fraction form
1,308,461.94/1,805,412.35 = 764,492.62/x - Step 3: Cross multiply
1,308,461.94x = 1,805,412.35 × 764,492.62 - Step 4: Simplify right side
1,308,461.94x = 1,380,224,416,950.87 - Step 5: Solve for x
x = 1,380,224,416,950.87/1,308,461.94 - Step 6: Final answer
x = 1,054,844.91
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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.