Finding the Fourth Proportional to 1,154,455.14, 1,593,153.99 and 645,166.02
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Solution
The fourth proportional to 1,154,455.14, 1,593,153.99 and 645,166.02 is: 890,332.40
Step by Step Solution
- Step 1: Write the proportion equation
1,154,455.14 : 1,593,153.99 = 645,166.02 : x - Step 2: Convert to fraction form
1,154,455.14/1,593,153.99 = 645,166.02/x - Step 3: Cross multiply
1,154,455.14x = 1,593,153.99 × 645,166.02 - Step 4: Simplify right side
1,154,455.14x = 1,027,848,818,975.42 - Step 5: Solve for x
x = 1,027,848,818,975.42/1,154,455.14 - Step 6: Final answer
x = 890,332.40
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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.