Finding the Fourth Proportional to 1,332,813.29, 1,839,276.99 and 720,965.34
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Solution
The fourth proportional to 1,332,813.29, 1,839,276.99 and 720,965.34 is: 994,929.28
Step by Step Solution
- Step 1: Write the proportion equation
1,332,813.29 : 1,839,276.99 = 720,965.34 : x - Step 2: Convert to fraction form
1,332,813.29/1,839,276.99 = 720,965.34/x - Step 3: Cross multiply
1,332,813.29x = 1,839,276.99 × 720,965.34 - Step 4: Simplify right side
1,332,813.29x = 1,326,054,960,449.53 - Step 5: Solve for x
x = 1,326,054,960,449.53/1,332,813.29 - Step 6: Final answer
x = 994,929.28
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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.