Finding the Fourth Proportional to 1,076,554.53, 1,485,336.99 and 640,607.54
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Solution
The fourth proportional to 1,076,554.53, 1,485,336.99 and 640,607.54 is: 883,854.97
Step by Step Solution
- Step 1: Write the proportion equation
1,076,554.53 : 1,485,336.99 = 640,607.54 : x - Step 2: Convert to fraction form
1,076,554.53/1,485,336.99 = 640,607.54/x - Step 3: Cross multiply
1,076,554.53x = 1,485,336.99 × 640,607.54 - Step 4: Simplify right side
1,076,554.53x = 951,518,070,210.50 - Step 5: Solve for x
x = 951,518,070,210.50/1,076,554.53 - Step 6: Final answer
x = 883,854.97
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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.