Finding the Fourth Proportional to 1,138,237.80, 1,703,670.30 and 806,461.80
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Solution
The fourth proportional to 1,138,237.80, 1,703,670.30 and 806,461.80 is: 1,207,080.82
Step by Step Solution
- Step 1: Write the proportion equation
1,138,237.80 : 1,703,670.30 = 806,461.80 : x - Step 2: Convert to fraction form
1,138,237.80/1,703,670.30 = 806,461.80/x - Step 3: Cross multiply
1,138,237.80x = 1,703,670.30 × 806,461.80 - Step 4: Simplify right side
1,138,237.80x = 1,373,945,016,744.54 - Step 5: Solve for x
x = 1,373,945,016,744.54/1,138,237.80 - Step 6: Final answer
x = 1,207,080.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.