Finding the Fourth Proportional to 1,281,974.74, 1,769,669.86 and 798,778.62
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Solution
The fourth proportional to 1,281,974.74, 1,769,669.86 and 798,778.62 is: 1,102,653.90
Step by Step Solution
- Step 1: Write the proportion equation
1,281,974.74 : 1,769,669.86 = 798,778.62 : x - Step 2: Convert to fraction form
1,281,974.74/1,769,669.86 = 798,778.62/x - Step 3: Cross multiply
1,281,974.74x = 1,769,669.86 × 798,778.62 - Step 4: Simplify right side
1,281,974.74x = 1,413,574,448,626.39 - Step 5: Solve for x
x = 1,413,574,448,626.39/1,281,974.74 - Step 6: Final answer
x = 1,102,653.90
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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.