Finding the Fourth Proportional to 1,014,686.44, 1,400,213.14 and 555,777.28
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Solution
The fourth proportional to 1,014,686.44, 1,400,213.14 and 555,777.28 is: 766,942.99
Step by Step Solution
- Step 1: Write the proportion equation
1,014,686.44 : 1,400,213.14 = 555,777.28 : x - Step 2: Convert to fraction form
1,014,686.44/1,400,213.14 = 555,777.28/x - Step 3: Cross multiply
1,014,686.44x = 1,400,213.14 × 555,777.28 - Step 4: Simplify right side
1,014,686.44x = 778,206,650,369.46 - Step 5: Solve for x
x = 778,206,650,369.46/1,014,686.44 - Step 6: Final answer
x = 766,942.99
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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.