Finding the Fourth Proportional to 1,332,555.62, 1,839,043.80 and 788,417.06
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Solution
The fourth proportional to 1,332,555.62, 1,839,043.80 and 788,417.06 is: 1,088,084.79
Step by Step Solution
- Step 1: Write the proportion equation
1,332,555.62 : 1,839,043.80 = 788,417.06 : x - Step 2: Convert to fraction form
1,332,555.62/1,839,043.80 = 788,417.06/x - Step 3: Cross multiply
1,332,555.62x = 1,839,043.80 × 788,417.06 - Step 4: Simplify right side
1,332,555.62x = 1,449,933,496,812.01 - Step 5: Solve for x
x = 1,449,933,496,812.01/1,332,555.62 - Step 6: Final answer
x = 1,088,084.79
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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.