Finding the Fourth Proportional to 1,255,722.15, 1,732,848.80 and 682,762.80
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Solution
The fourth proportional to 1,255,722.15, 1,732,848.80 and 682,762.80 is: 942,186.69
Step by Step Solution
- Step 1: Write the proportion equation
1,255,722.15 : 1,732,848.80 = 682,762.80 : x - Step 2: Convert to fraction form
1,255,722.15/1,732,848.80 = 682,762.80/x - Step 3: Cross multiply
1,255,722.15x = 1,732,848.80 × 682,762.80 - Step 4: Simplify right side
1,255,722.15x = 1,183,124,695,250.83 - Step 5: Solve for x
x = 1,183,124,695,250.83/1,255,722.15 - Step 6: Final answer
x = 942,186.69
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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.