Finding the Fourth Proportional to 1,031,871, 1,424,113.29 and 623,975.79
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Solution
The fourth proportional to 1,031,871, 1,424,113.29 and 623,975.79 is: 861,165.99
Step by Step Solution
- Step 1: Write the proportion equation
1,031,871 : 1,424,113.29 = 623,975.79 : x - Step 2: Convert to fraction form
1,031,871/1,424,113.29 = 623,975.79/x - Step 3: Cross multiply
1,031,871x = 1,424,113.29 × 623,975.79 - Step 4: Simplify right side
1,031,871x = 888,612,215,177.25 - Step 5: Solve for x
x = 888,612,215,177.25/1,031,871 - Step 6: Final answer
x = 861,165.99
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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.