Finding the Fourth Proportional to 1,284,455.64, 1,927,281.24 and 574,963.68
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Solution
The fourth proportional to 1,284,455.64, 1,927,281.24 and 574,963.68 is: 862,713.11
Step by Step Solution
- Step 1: Write the proportion equation
1,284,455.64 : 1,927,281.24 = 574,963.68 : x - Step 2: Convert to fraction form
1,284,455.64/1,927,281.24 = 574,963.68/x - Step 3: Cross multiply
1,284,455.64x = 1,927,281.24 × 574,963.68 - Step 4: Simplify right side
1,284,455.64x = 1,108,116,714,145.36 - Step 5: Solve for x
x = 1,108,116,714,145.36/1,284,455.64 - Step 6: Final answer
x = 862,713.11
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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.