Finding the Fourth Proportional to 1,282,281.80, 1,769,394.68 and 738,594.42
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Solution
The fourth proportional to 1,282,281.80, 1,769,394.68 and 738,594.42 is: 1,019,171.48
Step by Step Solution
- Step 1: Write the proportion equation
1,282,281.80 : 1,769,394.68 = 738,594.42 : x - Step 2: Convert to fraction form
1,282,281.80/1,769,394.68 = 738,594.42/x - Step 3: Cross multiply
1,282,281.80x = 1,769,394.68 × 738,594.42 - Step 4: Simplify right side
1,282,281.80x = 1,306,865,037,425.69 - Step 5: Solve for x
x = 1,306,865,037,425.69/1,282,281.80 - Step 6: Final answer
x = 1,019,171.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.