Finding the Fourth Proportional to 1,408,254.20, 1,943,391.24 and 763,674.20
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Solution
The fourth proportional to 1,408,254.20, 1,943,391.24 and 763,674.20 is: 1,053,870.63
Step by Step Solution
- Step 1: Write the proportion equation
1,408,254.20 : 1,943,391.24 = 763,674.20 : x - Step 2: Convert to fraction form
1,408,254.20/1,943,391.24 = 763,674.20/x - Step 3: Cross multiply
1,408,254.20x = 1,943,391.24 × 763,674.20 - Step 4: Simplify right side
1,408,254.20x = 1,484,117,740,777.05 - Step 5: Solve for x
x = 1,484,117,740,777.05/1,408,254.20 - Step 6: Final answer
x = 1,053,870.63
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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.