Finding the Fourth Proportional to 1,154,420.13, 1,593,101.94 and 645,122.51
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Solution
The fourth proportional to 1,154,420.13, 1,593,101.94 and 645,122.51 is: 890,270.27
Step by Step Solution
- Step 1: Write the proportion equation
1,154,420.13 : 1,593,101.94 = 645,122.51 : x - Step 2: Convert to fraction form
1,154,420.13/1,593,101.94 = 645,122.51/x - Step 3: Cross multiply
1,154,420.13x = 1,593,101.94 × 645,122.51 - Step 4: Simplify right side
1,154,420.13x = 1,027,745,922,218.67 - Step 5: Solve for x
x = 1,027,745,922,218.67/1,154,420.13 - Step 6: Final answer
x = 890,270.27
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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.