Finding the Fourth Proportional to 1,416,554.61, 1,954,788.48 and 771,960.93
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Solution
The fourth proportional to 1,416,554.61, 1,954,788.48 and 771,960.93 is: 1,065,275.09
Step by Step Solution
- Step 1: Write the proportion equation
1,416,554.61 : 1,954,788.48 = 771,960.93 : x - Step 2: Convert to fraction form
1,416,554.61/1,954,788.48 = 771,960.93/x - Step 3: Cross multiply
1,416,554.61x = 1,954,788.48 × 771,960.93 - Step 4: Simplify right side
1,416,554.61x = 1,509,020,332,974.09 - Step 5: Solve for x
x = 1,509,020,332,974.09/1,416,554.61 - Step 6: Final answer
x = 1,065,275.09
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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.