Finding the Fourth Proportional to 1,284,947.58, 1,928,293.20 and 686,338.68
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Solution
The fourth proportional to 1,284,947.58, 1,928,293.20 and 686,338.68 is: 1,029,973.70
Step by Step Solution
- Step 1: Write the proportion equation
1,284,947.58 : 1,928,293.20 = 686,338.68 : x - Step 2: Convert to fraction form
1,284,947.58/1,928,293.20 = 686,338.68/x - Step 3: Cross multiply
1,284,947.58x = 1,928,293.20 × 686,338.68 - Step 4: Simplify right side
1,284,947.58x = 1,323,462,209,540.98 - Step 5: Solve for x
x = 1,323,462,209,540.98/1,284,947.58 - Step 6: Final answer
x = 1,029,973.70
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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.