Finding the Fourth Proportional to 1,344,830.70, 1,855,867.06 and 764,054.85
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Solution
The fourth proportional to 1,344,830.70, 1,855,867.06 and 764,054.85 is: 1,054,396.09
Step by Step Solution
- Step 1: Write the proportion equation
1,344,830.70 : 1,855,867.06 = 764,054.85 : x - Step 2: Convert to fraction form
1,344,830.70/1,855,867.06 = 764,054.85/x - Step 3: Cross multiply
1,344,830.70x = 1,855,867.06 × 764,054.85 - Step 4: Simplify right side
1,344,830.70x = 1,417,984,228,148.24 - Step 5: Solve for x
x = 1,417,984,228,148.24/1,344,830.70 - Step 6: Final answer
x = 1,054,396.09
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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.