Finding the Fourth Proportional to 1,226,981.84, 1,692,796.66 and 710,453.84
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Solution
The fourth proportional to 1,226,981.84, 1,692,796.66 and 710,453.84 is: 980,172.52
Step by Step Solution
- Step 1: Write the proportion equation
1,226,981.84 : 1,692,796.66 = 710,453.84 : x - Step 2: Convert to fraction form
1,226,981.84/1,692,796.66 = 710,453.84/x - Step 3: Cross multiply
1,226,981.84x = 1,692,796.66 × 710,453.84 - Step 4: Simplify right side
1,226,981.84x = 1,202,653,887,436.17 - Step 5: Solve for x
x = 1,202,653,887,436.17/1,226,981.84 - Step 6: Final answer
x = 980,172.52
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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.