Finding the Fourth Proportional to 1,170,403.75, 1,615,157.18 and 633,859.75
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Solution
The fourth proportional to 1,170,403.75, 1,615,157.18 and 633,859.75 is: 874,726.46
Step by Step Solution
- Step 1: Write the proportion equation
1,170,403.75 : 1,615,157.18 = 633,859.75 : x - Step 2: Convert to fraction form
1,170,403.75/1,615,157.18 = 633,859.75/x - Step 3: Cross multiply
1,170,403.75x = 1,615,157.18 × 633,859.75 - Step 4: Simplify right side
1,170,403.75x = 1,023,783,126,325.51 - Step 5: Solve for x
x = 1,023,783,126,325.51/1,170,403.75 - Step 6: Final answer
x = 874,726.46
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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.