Finding the Fourth Proportional to 1,184,543.46, 1,634,663.84 and 640,678.68
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Solution
The fourth proportional to 1,184,543.46, 1,634,663.84 and 640,678.68 is: 884,133.26
Step by Step Solution
- Step 1: Write the proportion equation
1,184,543.46 : 1,634,663.84 = 640,678.68 : x - Step 2: Convert to fraction form
1,184,543.46/1,634,663.84 = 640,678.68/x - Step 3: Cross multiply
1,184,543.46x = 1,634,663.84 × 640,678.68 - Step 4: Simplify right side
1,184,543.46x = 1,047,294,268,051.54 - Step 5: Solve for x
x = 1,047,294,268,051.54/1,184,543.46 - Step 6: Final answer
x = 884,133.26
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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.