Finding the Fourth Proportional to 1,412,051.24, 1,948,643.70 and 767,472.92
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Solution
The fourth proportional to 1,412,051.24, 1,948,643.70 and 767,472.92 is: 1,059,119.69
Step by Step Solution
- Step 1: Write the proportion equation
1,412,051.24 : 1,948,643.70 = 767,472.92 : x - Step 2: Convert to fraction form
1,412,051.24/1,948,643.70 = 767,472.92/x - Step 3: Cross multiply
1,412,051.24x = 1,948,643.70 × 767,472.92 - Step 4: Simplify right side
1,412,051.24x = 1,495,531,270,478.60 - Step 5: Solve for x
x = 1,495,531,270,478.60/1,412,051.24 - Step 6: Final answer
x = 1,059,119.69
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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.