Finding the Fourth Proportional to 1,107,518.91, 1,528,376.70 and 598,221.28
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Solution
The fourth proportional to 1,107,518.91, 1,528,376.70 and 598,221.28 is: 825,545.70
Step by Step Solution
- Step 1: Write the proportion equation
1,107,518.91 : 1,528,376.70 = 598,221.28 : x - Step 2: Convert to fraction form
1,107,518.91/1,528,376.70 = 598,221.28/x - Step 3: Cross multiply
1,107,518.91x = 1,528,376.70 × 598,221.28 - Step 4: Simplify right side
1,107,518.91x = 914,307,466,584.98 - Step 5: Solve for x
x = 914,307,466,584.98/1,107,518.91 - Step 6: Final answer
x = 825,545.70
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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.