Finding the Fourth Proportional to 1,211,318.63, 1,817,293.35 and 453,219.38
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Solution
The fourth proportional to 1,211,318.63, 1,817,293.35 and 453,219.38 is: 679,947.07
Step by Step Solution
- Step 1: Write the proportion equation
1,211,318.63 : 1,817,293.35 = 453,219.38 : x - Step 2: Convert to fraction form
1,211,318.63/1,817,293.35 = 453,219.38/x - Step 3: Cross multiply
1,211,318.63x = 1,817,293.35 × 453,219.38 - Step 4: Simplify right side
1,211,318.63x = 823,632,555,857.90 - Step 5: Solve for x
x = 823,632,555,857.90/1,211,318.63 - Step 6: Final answer
x = 679,947.07
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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.