Finding the Fourth Proportional to 1,221,373.80, 1,832,060.70 and 591,517.80
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Solution
The fourth proportional to 1,221,373.80, 1,832,060.70 and 591,517.80 is: 887,276.70
Step by Step Solution
- Step 1: Write the proportion equation
1,221,373.80 : 1,832,060.70 = 591,517.80 : x - Step 2: Convert to fraction form
1,221,373.80/1,832,060.70 = 591,517.80/x - Step 3: Cross multiply
1,221,373.80x = 1,832,060.70 × 591,517.80 - Step 4: Simplify right side
1,221,373.80x = 1,083,696,514,730.46 - Step 5: Solve for x
x = 1,083,696,514,730.46/1,221,373.80 - Step 6: Final answer
x = 887,276.70
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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.