Finding the Fourth Proportional to 1,214,703.44, 1,676,290.76 and 705,438.62
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Solution
The fourth proportional to 1,214,703.44, 1,676,290.76 and 705,438.62 is: 973,505.30
Step by Step Solution
- Step 1: Write the proportion equation
1,214,703.44 : 1,676,290.76 = 705,438.62 : x - Step 2: Convert to fraction form
1,214,703.44/1,676,290.76 = 705,438.62/x - Step 3: Cross multiply
1,214,703.44x = 1,676,290.76 × 705,438.62 - Step 4: Simplify right side
1,214,703.44x = 1,182,520,241,116.69 - Step 5: Solve for x
x = 1,182,520,241,116.69/1,214,703.44 - Step 6: Final answer
x = 973,505.30
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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.