Finding the Fourth Proportional to 1,076,655.38, 1,485,465.68 and 640,723.26
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Solution
The fourth proportional to 1,076,655.38, 1,485,465.68 and 640,723.26 is: 884,008.41
Step by Step Solution
- Step 1: Write the proportion equation
1,076,655.38 : 1,485,465.68 = 640,723.26 : x - Step 2: Convert to fraction form
1,076,655.38/1,485,465.68 = 640,723.26/x - Step 3: Cross multiply
1,076,655.38x = 1,485,465.68 × 640,723.26 - Step 4: Simplify right side
1,076,655.38x = 951,772,407,746.41 - Step 5: Solve for x
x = 951,772,407,746.41/1,076,655.38 - Step 6: Final answer
x = 884,008.41
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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.