Finding the Fourth Proportional to 1,212,307.38, 1,818,395.16 and 370,859.14
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Solution
The fourth proportional to 1,212,307.38, 1,818,395.16 and 370,859.14 is: 556,268.55
Step by Step Solution
- Step 1: Write the proportion equation
1,212,307.38 : 1,818,395.16 = 370,859.14 : x - Step 2: Convert to fraction form
1,212,307.38/1,818,395.16 = 370,859.14/x - Step 3: Cross multiply
1,212,307.38x = 1,818,395.16 × 370,859.14 - Step 4: Simplify right side
1,212,307.38x = 674,368,465,217.76 - Step 5: Solve for x
x = 674,368,465,217.76/1,212,307.38 - Step 6: Final answer
x = 556,268.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.