Finding the Fourth Proportional to 1,308,182.12, 1,805,784.74 and 764,495.08
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Solution
The fourth proportional to 1,308,182.12, 1,805,784.74 and 764,495.08 is: 1,055,291.56
Step by Step Solution
- Step 1: Write the proportion equation
1,308,182.12 : 1,805,784.74 = 764,495.08 : x - Step 2: Convert to fraction form
1,308,182.12/1,805,784.74 = 764,495.08/x - Step 3: Cross multiply
1,308,182.12x = 1,805,784.74 × 764,495.08 - Step 4: Simplify right side
1,308,182.12x = 1,380,513,549,269.08 - Step 5: Solve for x
x = 1,380,513,549,269.08/1,308,182.12 - Step 6: Final answer
x = 1,055,291.56
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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.