Finding the Fourth Proportional to 1,031,386.26, 1,423,241.79 and 572,464.74
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Solution
The fourth proportional to 1,031,386.26, 1,423,241.79 and 572,464.74 is: 789,961.79
Step by Step Solution
- Step 1: Write the proportion equation
1,031,386.26 : 1,423,241.79 = 572,464.74 : x - Step 2: Convert to fraction form
1,031,386.26/1,423,241.79 = 572,464.74/x - Step 3: Cross multiply
1,031,386.26x = 1,423,241.79 × 572,464.74 - Step 4: Simplify right side
1,031,386.26x = 814,755,740,457.03 - Step 5: Solve for x
x = 814,755,740,457.03/1,031,386.26 - Step 6: Final answer
x = 789,961.79
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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.