Finding the Fourth Proportional to 1,011,456.55, 1,395,837.43 and 603,794.99
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Solution
The fourth proportional to 1,011,456.55, 1,395,837.43 and 603,794.99 is: 833,253.44
Step by Step Solution
- Step 1: Write the proportion equation
1,011,456.55 : 1,395,837.43 = 603,794.99 : x - Step 2: Convert to fraction form
1,011,456.55/1,395,837.43 = 603,794.99/x - Step 3: Cross multiply
1,011,456.55x = 1,395,837.43 × 603,794.99 - Step 4: Simplify right side
1,011,456.55x = 842,799,647,397.85 - Step 5: Solve for x
x = 842,799,647,397.85/1,011,456.55 - Step 6: Final answer
x = 833,253.44
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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.