Finding the Fourth Proportional to 1,390,369.55, 2,086,343.26 and 750,664.76
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Solution
The fourth proportional to 1,390,369.55, 2,086,343.26 and 750,664.76 is: 1,126,423.08
Step by Step Solution
- Step 1: Write the proportion equation
1,390,369.55 : 2,086,343.26 = 750,664.76 : x - Step 2: Convert to fraction form
1,390,369.55/2,086,343.26 = 750,664.76/x - Step 3: Cross multiply
1,390,369.55x = 2,086,343.26 × 750,664.76 - Step 4: Simplify right side
1,390,369.55x = 1,566,144,350,237.14 - Step 5: Solve for x
x = 1,566,144,350,237.14/1,390,369.55 - Step 6: Final answer
x = 1,126,423.08
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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.