Finding the Fourth Proportional to 1,178,592.75, 1,626,381.45 and 695,047.05
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Solution
The fourth proportional to 1,178,592.75, 1,626,381.45 and 695,047.05 is: 959,119.79
Step by Step Solution
- Step 1: Write the proportion equation
1,178,592.75 : 1,626,381.45 = 695,047.05 : x - Step 2: Convert to fraction form
1,178,592.75/1,626,381.45 = 695,047.05/x - Step 3: Cross multiply
1,178,592.75x = 1,626,381.45 × 695,047.05 - Step 4: Simplify right side
1,178,592.75x = 1,130,411,628,997.22 - Step 5: Solve for x
x = 1,130,411,628,997.22/1,178,592.75 - Step 6: Final answer
x = 959,119.79
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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.