Finding the Fourth Proportional to 1,316,922.63, 1,817,353.29 and 713,310.63
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Solution
The fourth proportional to 1,316,922.63, 1,817,353.29 and 713,310.63 is: 984,368.70
Step by Step Solution
- Step 1: Write the proportion equation
1,316,922.63 : 1,817,353.29 = 713,310.63 : x - Step 2: Convert to fraction form
1,316,922.63/1,817,353.29 = 713,310.63/x - Step 3: Cross multiply
1,316,922.63x = 1,817,353.29 × 713,310.63 - Step 4: Simplify right side
1,316,922.63x = 1,296,337,420,222.47 - Step 5: Solve for x
x = 1,296,337,420,222.47/1,316,922.63 - Step 6: Final answer
x = 984,368.70
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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.