Finding the Fourth Proportional to 1,244,698.79, 1,868,768.01 and 859,544.19
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Solution
The fourth proportional to 1,244,698.79, 1,868,768.01 and 859,544.19 is: 1,290,503.94
Step by Step Solution
- Step 1: Write the proportion equation
1,244,698.79 : 1,868,768.01 = 859,544.19 : x - Step 2: Convert to fraction form
1,244,698.79/1,868,768.01 = 859,544.19/x - Step 3: Cross multiply
1,244,698.79x = 1,868,768.01 × 859,544.19 - Step 4: Simplify right side
1,244,698.79x = 1,606,288,685,453.36 - Step 5: Solve for x
x = 1,606,288,685,453.36/1,244,698.79 - Step 6: Final answer
x = 1,290,503.94
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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.