Finding the Fourth Proportional to 1,106,220.76, 1,526,467.80 and 622,777.12
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Solution
The fourth proportional to 1,106,220.76, 1,526,467.80 and 622,777.12 is: 859,366.64
Step by Step Solution
- Step 1: Write the proportion equation
1,106,220.76 : 1,526,467.80 = 622,777.12 : x - Step 2: Convert to fraction form
1,106,220.76/1,526,467.80 = 622,777.12/x - Step 3: Cross multiply
1,106,220.76x = 1,526,467.80 × 622,777.12 - Step 4: Simplify right side
1,106,220.76x = 950,649,220,256.74 - Step 5: Solve for x
x = 950,649,220,256.74/1,106,220.76 - Step 6: Final answer
x = 859,366.64
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1.5x scale
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.