Finding the Fourth Proportional to 1,292,527.02, 1,783,652.54 and 719,567.18
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Solution
The fourth proportional to 1,292,527.02, 1,783,652.54 and 719,567.18 is: 992,983.36
Step by Step Solution
- Step 1: Write the proportion equation
1,292,527.02 : 1,783,652.54 = 719,567.18 : x - Step 2: Convert to fraction form
1,292,527.02/1,783,652.54 = 719,567.18/x - Step 3: Cross multiply
1,292,527.02x = 1,783,652.54 × 719,567.18 - Step 4: Simplify right side
1,292,527.02x = 1,283,457,822,480.24 - Step 5: Solve for x
x = 1,283,457,822,480.24/1,292,527.02 - Step 6: Final answer
x = 992,983.36
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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.