Finding the Fourth Proportional to 1,408,639.68, 1,943,908.36 and 764,046
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Solution
The fourth proportional to 1,408,639.68, 1,943,908.36 and 764,046 is: 1,054,375.67
Step by Step Solution
- Step 1: Write the proportion equation
1,408,639.68 : 1,943,908.36 = 764,046 : x - Step 2: Convert to fraction form
1,408,639.68/1,943,908.36 = 764,046/x - Step 3: Cross multiply
1,408,639.68x = 1,943,908.36 × 764,046 - Step 4: Simplify right side
1,408,639.68x = 1,485,235,406,824.56 - Step 5: Solve for x
x = 1,485,235,406,824.56/1,408,639.68 - Step 6: Final answer
x = 1,054,375.67
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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.