Finding the Fourth Proportional to 1,353,926.21, 1,869,267.71 and 871,330.03
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Solution
The fourth proportional to 1,353,926.21, 1,869,267.71 and 871,330.03 is: 1,202,982.17
Step by Step Solution
- Step 1: Write the proportion equation
1,353,926.21 : 1,869,267.71 = 871,330.03 : x - Step 2: Convert to fraction form
1,353,926.21/1,869,267.71 = 871,330.03/x - Step 3: Cross multiply
1,353,926.21x = 1,869,267.71 × 871,330.03 - Step 4: Simplify right side
1,353,926.21x = 1,628,749,087,337.49 - Step 5: Solve for x
x = 1,628,749,087,337.49/1,353,926.21 - Step 6: Final answer
x = 1,202,982.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.