Finding the Fourth Proportional to 1,408,252.93, 1,943,389.53 and 763,672.96
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Solution
The fourth proportional to 1,408,252.93, 1,943,389.53 and 763,672.96 is: 1,053,868.95
Step by Step Solution
- Step 1: Write the proportion equation
1,408,252.93 : 1,943,389.53 = 763,672.96 : x - Step 2: Convert to fraction form
1,408,252.93/1,943,389.53 = 763,672.96/x - Step 3: Cross multiply
1,408,252.93x = 1,943,389.53 × 763,672.96 - Step 4: Simplify right side
1,408,252.93x = 1,484,114,034,808.11 - Step 5: Solve for x
x = 1,484,114,034,808.11/1,408,252.93 - Step 6: Final answer
x = 1,053,868.95
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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.