Finding the Fourth Proportional to 1,390,377.70, 2,086,355.46 and 750,672.88
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Solution
The fourth proportional to 1,390,377.70, 2,086,355.46 and 750,672.88 is: 1,126,435.26
Step by Step Solution
- Step 1: Write the proportion equation
1,390,377.70 : 2,086,355.46 = 750,672.88 : x - Step 2: Convert to fraction form
1,390,377.70/2,086,355.46 = 750,672.88/x - Step 3: Cross multiply
1,390,377.70x = 2,086,355.46 × 750,672.88 - Step 4: Simplify right side
1,390,377.70x = 1,566,170,461,861.92 - Step 5: Solve for x
x = 1,566,170,461,861.92/1,390,377.70 - Step 6: Final answer
x = 1,126,435.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.