Finding the Fourth Proportional to 1,316,381.63, 1,816,606.64 and 712,769.63
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Solution
The fourth proportional to 1,316,381.63, 1,816,606.64 and 712,769.63 is: 983,622.08
Step by Step Solution
- Step 1: Write the proportion equation
1,316,381.63 : 1,816,606.64 = 712,769.63 : x - Step 2: Convert to fraction form
1,316,381.63/1,816,606.64 = 712,769.63/x - Step 3: Cross multiply
1,316,381.63x = 1,816,606.64 × 712,769.63 - Step 4: Simplify right side
1,316,381.63x = 1,294,822,035,347.23 - Step 5: Solve for x
x = 1,294,822,035,347.23/1,316,381.63 - Step 6: Final answer
x = 983,622.08
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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.