Finding the Fourth Proportional to 1,403,373.48, 1,936,213.30 and 858,941.70
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Solution
The fourth proportional to 1,403,373.48, 1,936,213.30 and 858,941.70 is: 1,185,068.96
Step by Step Solution
- Step 1: Write the proportion equation
1,403,373.48 : 1,936,213.30 = 858,941.70 : x - Step 2: Convert to fraction form
1,403,373.48/1,936,213.30 = 858,941.70/x - Step 3: Cross multiply
1,403,373.48x = 1,936,213.30 × 858,941.70 - Step 4: Simplify right side
1,403,373.48x = 1,663,094,343,464.61 - Step 5: Solve for x
x = 1,663,094,343,464.61/1,403,373.48 - Step 6: Final answer
x = 1,185,068.96
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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.