Finding the Fourth Proportional to 1,076,962.64, 1,615,743.28 and 469,804.08
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Solution
The fourth proportional to 1,076,962.64, 1,615,743.28 and 469,804.08 is: 704,836.69
Step by Step Solution
- Step 1: Write the proportion equation
1,076,962.64 : 1,615,743.28 = 469,804.08 : x - Step 2: Convert to fraction form
1,076,962.64/1,615,743.28 = 469,804.08/x - Step 3: Cross multiply
1,076,962.64x = 1,615,743.28 × 469,804.08 - Step 4: Simplify right side
1,076,962.64x = 759,082,785,176.58 - Step 5: Solve for x
x = 759,082,785,176.58/1,076,962.64 - Step 6: Final answer
x = 704,836.69
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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.