Finding the Fourth Proportional to 1,408,957.51, 1,944,362.06 and 764,377.53
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Solution
The fourth proportional to 1,408,957.51, 1,944,362.06 and 764,377.53 is: 1,054,841.37
Step by Step Solution
- Step 1: Write the proportion equation
1,408,957.51 : 1,944,362.06 = 764,377.53 : x - Step 2: Convert to fraction form
1,408,957.51/1,944,362.06 = 764,377.53/x - Step 3: Cross multiply
1,408,957.51x = 1,944,362.06 × 764,377.53 - Step 4: Simplify right side
1,408,957.51x = 1,486,226,664,943.08 - Step 5: Solve for x
x = 1,486,226,664,943.08/1,408,957.51 - Step 6: Final answer
x = 1,054,841.37
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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.