Finding the Fourth Proportional to 1,213,940.19, 1,675,237.55 and 670,076.13
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Solution
The fourth proportional to 1,213,940.19, 1,675,237.55 and 670,076.13 is: 924,705.11
Step by Step Solution
- Step 1: Write the proportion equation
1,213,940.19 : 1,675,237.55 = 670,076.13 : x - Step 2: Convert to fraction form
1,213,940.19/1,675,237.55 = 670,076.13/x - Step 3: Cross multiply
1,213,940.19x = 1,675,237.55 × 670,076.13 - Step 4: Simplify right side
1,213,940.19x = 1,122,536,694,334.68 - Step 5: Solve for x
x = 1,122,536,694,334.68/1,213,940.19 - Step 6: Final answer
x = 924,705.11
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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.