Finding the Fourth Proportional to 1,408,257.95, 1,943,396.42 and 763,677.95
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Solution
The fourth proportional to 1,408,257.95, 1,943,396.42 and 763,677.95 is: 1,053,875.81
Step by Step Solution
- Step 1: Write the proportion equation
1,408,257.95 : 1,943,396.42 = 763,677.95 : x - Step 2: Convert to fraction form
1,408,257.95/1,943,396.42 = 763,677.95/x - Step 3: Cross multiply
1,408,257.95x = 1,943,396.42 × 763,677.95 - Step 4: Simplify right side
1,408,257.95x = 1,484,128,980,527.57 - Step 5: Solve for x
x = 1,484,128,980,527.57/1,408,257.95 - Step 6: Final answer
x = 1,053,875.81
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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.