Finding the Fourth Proportional to 1,154,569.95, 1,593,308.88 and 645,272.19
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Solution
The fourth proportional to 1,154,569.95, 1,593,308.88 and 645,272.19 is: 890,476.94
Step by Step Solution
- Step 1: Write the proportion equation
1,154,569.95 : 1,593,308.88 = 645,272.19 : x - Step 2: Convert to fraction form
1,154,569.95/1,593,308.88 = 645,272.19/x - Step 3: Cross multiply
1,154,569.95x = 1,593,308.88 × 645,272.19 - Step 4: Simplify right side
1,154,569.95x = 1,028,117,910,344.05 - Step 5: Solve for x
x = 1,028,117,910,344.05/1,154,569.95 - Step 6: Final answer
x = 890,476.94
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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.