Finding the Fourth Proportional to 1,212,305.39, 1,818,392.16 and 370,857.14
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Solution
The fourth proportional to 1,212,305.39, 1,818,392.16 and 370,857.14 is: 556,265.54
Step by Step Solution
- Step 1: Write the proportion equation
1,212,305.39 : 1,818,392.16 = 370,857.14 : x - Step 2: Convert to fraction form
1,212,305.39/1,818,392.16 = 370,857.14/x - Step 3: Cross multiply
1,212,305.39x = 1,818,392.16 × 370,857.14 - Step 4: Simplify right side
1,212,305.39x = 674,363,708,154.78 - Step 5: Solve for x
x = 674,363,708,154.78/1,212,305.39 - Step 6: Final answer
x = 556,265.54
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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.