Finding the Fourth Proportional to 1,125,393.17, 1,688,087.21 and 869,597.73
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Solution
The fourth proportional to 1,125,393.17, 1,688,087.21 and 869,597.73 is: 1,304,394.63
Step by Step Solution
- Step 1: Write the proportion equation
1,125,393.17 : 1,688,087.21 = 869,597.73 : x - Step 2: Convert to fraction form
1,125,393.17/1,688,087.21 = 869,597.73/x - Step 3: Cross multiply
1,125,393.17x = 1,688,087.21 × 869,597.73 - Step 4: Simplify right side
1,125,393.17x = 1,467,956,801,510.04 - Step 5: Solve for x
x = 1,467,956,801,510.04/1,125,393.17 - Step 6: Final answer
x = 1,304,394.63
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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.