Finding the Fourth Proportional to 1,120,781.24, 1,679,004.28 and 938,704.92
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Solution
The fourth proportional to 1,120,781.24, 1,679,004.28 and 938,704.92 is: 1,406,241.93
Step by Step Solution
- Step 1: Write the proportion equation
1,120,781.24 : 1,679,004.28 = 938,704.92 : x - Step 2: Convert to fraction form
1,120,781.24/1,679,004.28 = 938,704.92/x - Step 3: Cross multiply
1,120,781.24x = 1,679,004.28 × 938,704.92 - Step 4: Simplify right side
1,120,781.24x = 1,576,089,578,337.06 - Step 5: Solve for x
x = 1,576,089,578,337.06/1,120,781.24 - Step 6: Final answer
x = 1,406,241.93
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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.