Finding the Fourth Proportional to 1,283,724.88, 1,771,595.70 and 710,765.05
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Solution
The fourth proportional to 1,283,724.88, 1,771,595.70 and 710,765.05 is: 980,886.42
Step by Step Solution
- Step 1: Write the proportion equation
1,283,724.88 : 1,771,595.70 = 710,765.05 : x - Step 2: Convert to fraction form
1,283,724.88/1,771,595.70 = 710,765.05/x - Step 3: Cross multiply
1,283,724.88x = 1,771,595.70 × 710,765.05 - Step 4: Simplify right side
1,283,724.88x = 1,259,188,306,290.29 - Step 5: Solve for x
x = 1,259,188,306,290.29/1,283,724.88 - Step 6: Final answer
x = 980,886.42
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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.