Finding the Fourth Proportional to 1,178,486.18, 1,626,189.73 and 662,158.02
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Solution
The fourth proportional to 1,178,486.18, 1,626,189.73 and 662,158.02 is: 913,709.98
Step by Step Solution
- Step 1: Write the proportion equation
1,178,486.18 : 1,626,189.73 = 662,158.02 : x - Step 2: Convert to fraction form
1,178,486.18/1,626,189.73 = 662,158.02/x - Step 3: Cross multiply
1,178,486.18x = 1,626,189.73 × 662,158.02 - Step 4: Simplify right side
1,178,486.18x = 1,076,794,579,928.59 - Step 5: Solve for x
x = 1,076,794,579,928.59/1,178,486.18 - Step 6: Final answer
x = 913,709.98
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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.