Finding the Fourth Proportional to 1,043,965.80, 1,565,948.70 and 834,013.80
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Solution
The fourth proportional to 1,043,965.80, 1,565,948.70 and 834,013.80 is: 1,251,020.70
Step by Step Solution
- Step 1: Write the proportion equation
1,043,965.80 : 1,565,948.70 = 834,013.80 : x - Step 2: Convert to fraction form
1,043,965.80/1,565,948.70 = 834,013.80/x - Step 3: Cross multiply
1,043,965.80x = 1,565,948.70 × 834,013.80 - Step 4: Simplify right side
1,043,965.80x = 1,306,022,825,892.06 - Step 5: Solve for x
x = 1,306,022,825,892.06/1,043,965.80 - Step 6: Final answer
x = 1,251,020.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.