Finding the Fourth Proportional to 1,240,180.08, 1,860,535.74 and 430,589.81
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Solution
The fourth proportional to 1,240,180.08, 1,860,535.74 and 430,589.81 is: 645,976.94
Step by Step Solution
- Step 1: Write the proportion equation
1,240,180.08 : 1,860,535.74 = 430,589.81 : x - Step 2: Convert to fraction form
1,240,180.08/1,860,535.74 = 430,589.81/x - Step 3: Cross multiply
1,240,180.08x = 1,860,535.74 × 430,589.81 - Step 4: Simplify right side
1,240,180.08x = 801,127,730,784.81 - Step 5: Solve for x
x = 801,127,730,784.81/1,240,180.08 - Step 6: Final answer
x = 645,976.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.