Finding the Fourth Proportional to 1,184,836.02, 1,635,066.09 and 640,969.62
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Solution
The fourth proportional to 1,184,836.02, 1,635,066.09 and 640,969.62 is: 884,533.95
Step by Step Solution
- Step 1: Write the proportion equation
1,184,836.02 : 1,635,066.09 = 640,969.62 : x - Step 2: Convert to fraction form
1,184,836.02/1,635,066.09 = 640,969.62/x - Step 3: Cross multiply
1,184,836.02x = 1,635,066.09 × 640,969.62 - Step 4: Simplify right side
1,184,836.02x = 1,048,027,690,382.19 - Step 5: Solve for x
x = 1,048,027,690,382.19/1,184,836.02 - Step 6: Final answer
x = 884,533.95
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1.5x scale
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.