Finding the Fourth Proportional to 1,296,011.97, 1,788,497.64 and 723,052.31
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Solution
The fourth proportional to 1,296,011.97, 1,788,497.64 and 723,052.31 is: 997,812.81
Step by Step Solution
- Step 1: Write the proportion equation
1,296,011.97 : 1,788,497.64 = 723,052.31 : x - Step 2: Convert to fraction form
1,296,011.97/1,788,497.64 = 723,052.31/x - Step 3: Cross multiply
1,296,011.97x = 1,788,497.64 × 723,052.31 - Step 4: Simplify right side
1,296,011.97x = 1,293,177,341,089.06 - Step 5: Solve for x
x = 1,293,177,341,089.06/1,296,011.97 - Step 6: Final answer
x = 997,812.81
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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.