Finding the Fourth Proportional to 1,582,128.28, 2,373,303.12 and 783,195.31
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Solution
The fourth proportional to 1,582,128.28, 2,373,303.12 and 783,195.31 is: 1,174,847.76
Step by Step Solution
- Step 1: Write the proportion equation
1,582,128.28 : 2,373,303.12 = 783,195.31 : x - Step 2: Convert to fraction form
1,582,128.28/2,373,303.12 = 783,195.31/x - Step 3: Cross multiply
1,582,128.28x = 2,373,303.12 × 783,195.31 - Step 4: Simplify right side
1,582,128.28x = 1,858,759,872,792.37 - Step 5: Solve for x
x = 1,858,759,872,792.37/1,582,128.28 - Step 6: Final answer
x = 1,174,847.76
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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.