Finding the Fourth Proportional to 1,228,243.51, 1,842,365.26 and 479,764.63
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Solution
The fourth proportional to 1,228,243.51, 1,842,365.26 and 479,764.63 is: 719,646.94
Step by Step Solution
- Step 1: Write the proportion equation
1,228,243.51 : 1,842,365.26 = 479,764.63 : x - Step 2: Convert to fraction form
1,228,243.51/1,842,365.26 = 479,764.63/x - Step 3: Cross multiply
1,228,243.51x = 1,842,365.26 × 479,764.63 - Step 4: Simplify right side
1,228,243.51x = 883,901,678,076.93 - Step 5: Solve for x
x = 883,901,678,076.93/1,228,243.51 - Step 6: Final answer
x = 719,646.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.