Finding the Fourth Proportional to 1,227,371.74, 1,841,347.28 and 385,923.49
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Solution
The fourth proportional to 1,227,371.74, 1,841,347.28 and 385,923.49 is: 578,976.31
Step by Step Solution
- Step 1: Write the proportion equation
1,227,371.74 : 1,841,347.28 = 385,923.49 : x - Step 2: Convert to fraction form
1,227,371.74/1,841,347.28 = 385,923.49/x - Step 3: Cross multiply
1,227,371.74x = 1,841,347.28 × 385,923.49 - Step 4: Simplify right side
1,227,371.74x = 710,619,164,961.05 - Step 5: Solve for x
x = 710,619,164,961.05/1,227,371.74 - Step 6: Final answer
x = 578,976.31
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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.