Finding the Fourth Proportional to 1,213,865.20, 1,696,262 and 1,213,865.20
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Solution
The fourth proportional to 1,213,865.20, 1,696,262 and 1,213,865.20 is: 1,696,262
Step by Step Solution
- Step 1: Write the proportion equation
1,213,865.20 : 1,696,262 = 1,213,865.20 : x - Step 2: Convert to fraction form
1,213,865.20/1,696,262 = 1,213,865.20/x - Step 3: Cross multiply
1,213,865.20x = 1,696,262 × 1,213,865.20 - Step 4: Simplify right side
1,213,865.20x = 2,059,033,411,882.40 - Step 5: Solve for x
x = 2,059,033,411,882.40/1,213,865.20 - Step 6: Final answer
x = 1,696,262
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.