Finding the Fourth Proportional to 1,246,565.98, 1,719,877.62 and 762,626.62
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Solution
The fourth proportional to 1,246,565.98, 1,719,877.62 and 762,626.62 is: 1,052,190.16
Step by Step Solution
- Step 1: Write the proportion equation
1,246,565.98 : 1,719,877.62 = 762,626.62 : x - Step 2: Convert to fraction form
1,246,565.98/1,719,877.62 = 762,626.62/x - Step 3: Cross multiply
1,246,565.98x = 1,719,877.62 × 762,626.62 - Step 4: Simplify right side
1,246,565.98x = 1,311,624,456,154.24 - Step 5: Solve for x
x = 1,311,624,456,154.24/1,246,565.98 - Step 6: Final answer
x = 1,052,190.16
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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.