Finding the Fourth Proportional to 1,076,688.81, 1,485,935.24 and 804,283.79
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Solution
The fourth proportional to 1,076,688.81, 1,485,935.24 and 804,283.79 is: 1,109,989.82
Step by Step Solution
- Step 1: Write the proportion equation
1,076,688.81 : 1,485,935.24 = 804,283.79 : x - Step 2: Convert to fraction form
1,076,688.81/1,485,935.24 = 804,283.79/x - Step 3: Cross multiply
1,076,688.81x = 1,485,935.24 × 804,283.79 - Step 4: Simplify right side
1,076,688.81x = 1,195,113,615,070.66 - Step 5: Solve for x
x = 1,195,113,615,070.66/1,076,688.81 - Step 6: Final answer
x = 1,109,989.82
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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.