Finding the Fourth Proportional to 1,408,252.65, 1,943,389.17 and 763,672.68
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Solution
The fourth proportional to 1,408,252.65, 1,943,389.17 and 763,672.68 is: 1,053,868.58
Step by Step Solution
- Step 1: Write the proportion equation
1,408,252.65 : 1,943,389.17 = 763,672.68 : x - Step 2: Convert to fraction form
1,408,252.65/1,943,389.17 = 763,672.68/x - Step 3: Cross multiply
1,408,252.65x = 1,943,389.17 × 763,672.68 - Step 4: Simplify right side
1,408,252.65x = 1,484,113,215,736.88 - Step 5: Solve for x
x = 1,484,113,215,736.88/1,408,252.65 - Step 6: Final answer
x = 1,053,868.58
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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.