Finding the Fourth Proportional to 1,154,158.91, 1,592,740.85 and 664,118.70
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Solution
The fourth proportional to 1,154,158.91, 1,592,740.85 and 664,118.70 is: 916,484.70
Step by Step Solution
- Step 1: Write the proportion equation
1,154,158.91 : 1,592,740.85 = 664,118.70 : x - Step 2: Convert to fraction form
1,154,158.91/1,592,740.85 = 664,118.70/x - Step 3: Cross multiply
1,154,158.91x = 1,592,740.85 × 664,118.70 - Step 4: Simplify right side
1,154,158.91x = 1,057,768,986,140.36 - Step 5: Solve for x
x = 1,057,768,986,140.36/1,154,158.91 - Step 6: Final answer
x = 916,484.70
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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.