Finding the Fourth Proportional to 1,316,637.68, 1,816,922.76 and 780,093.68
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Solution
The fourth proportional to 1,316,637.68, 1,816,922.76 and 780,093.68 is: 1,076,507.22
Step by Step Solution
- Step 1: Write the proportion equation
1,316,637.68 : 1,816,922.76 = 780,093.68 : x - Step 2: Convert to fraction form
1,316,637.68/1,816,922.76 = 780,093.68/x - Step 3: Cross multiply
1,316,637.68x = 1,816,922.76 × 780,093.68 - Step 4: Simplify right side
1,316,637.68x = 1,417,369,962,124.16 - Step 5: Solve for x
x = 1,417,369,962,124.16/1,316,637.68 - Step 6: Final answer
x = 1,076,507.22
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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.