Finding the Fourth Proportional to 1,213,986.26, 1,675,393.80 and 670,226.78
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Solution
The fourth proportional to 1,213,986.26, 1,675,393.80 and 670,226.78 is: 924,964.17
Step by Step Solution
- Step 1: Write the proportion equation
1,213,986.26 : 1,675,393.80 = 670,226.78 : x - Step 2: Convert to fraction form
1,213,986.26/1,675,393.80 = 670,226.78/x - Step 3: Cross multiply
1,213,986.26x = 1,675,393.80 × 670,226.78 - Step 4: Simplify right side
1,213,986.26x = 1,122,893,791,805.96 - Step 5: Solve for x
x = 1,122,893,791,805.96/1,213,986.26 - Step 6: Final answer
x = 924,964.17
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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.