Finding the Fourth Proportional to 1,190,473.74, 1,642,875.41 and 674,334.80
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Solution
The fourth proportional to 1,190,473.74, 1,642,875.41 and 674,334.80 is: 930,594.28
Step by Step Solution
- Step 1: Write the proportion equation
1,190,473.74 : 1,642,875.41 = 674,334.80 : x - Step 2: Convert to fraction form
1,190,473.74/1,642,875.41 = 674,334.80/x - Step 3: Cross multiply
1,190,473.74x = 1,642,875.41 × 674,334.80 - Step 4: Simplify right side
1,190,473.74x = 1,107,848,059,946.77 - Step 5: Solve for x
x = 1,107,848,059,946.77/1,190,473.74 - Step 6: Final answer
x = 930,594.28
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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.