Finding the Fourth Proportional to 1,228,459.39, 1,842,951.50 and 429,766.99
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Solution
The fourth proportional to 1,228,459.39, 1,842,951.50 and 429,766.99 is: 644,742.29
Step by Step Solution
- Step 1: Write the proportion equation
1,228,459.39 : 1,842,951.50 = 429,766.99 : x - Step 2: Convert to fraction form
1,228,459.39/1,842,951.50 = 429,766.99/x - Step 3: Cross multiply
1,228,459.39x = 1,842,951.50 × 429,766.99 - Step 4: Simplify right side
1,228,459.39x = 792,039,718,870.99 - Step 5: Solve for x
x = 792,039,718,870.99/1,228,459.39 - Step 6: Final answer
x = 644,742.29
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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.