Finding the Fourth Proportional to 1,102,497.40, 1,521,353.10 and 619,024.60
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Solution
The fourth proportional to 1,102,497.40, 1,521,353.10 and 619,024.60 is: 854,201.56
Step by Step Solution
- Step 1: Write the proportion equation
1,102,497.40 : 1,521,353.10 = 619,024.60 : x - Step 2: Convert to fraction form
1,102,497.40/1,521,353.10 = 619,024.60/x - Step 3: Cross multiply
1,102,497.40x = 1,521,353.10 × 619,024.60 - Step 4: Simplify right side
1,102,497.40x = 941,754,994,186.26 - Step 5: Solve for x
x = 941,754,994,186.26/1,102,497.40 - Step 6: Final answer
x = 854,201.56
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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.