Finding the Fourth Proportional to 1,375,935.18, 1,898,726.54 and 764,126.79
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Solution
The fourth proportional to 1,375,935.18, 1,898,726.54 and 764,126.79 is: 1,054,459.42
Step by Step Solution
- Step 1: Write the proportion equation
1,375,935.18 : 1,898,726.54 = 764,126.79 : x - Step 2: Convert to fraction form
1,375,935.18/1,898,726.54 = 764,126.79/x - Step 3: Cross multiply
1,375,935.18x = 1,898,726.54 × 764,126.79 - Step 4: Simplify right side
1,375,935.18x = 1,450,867,810,396.03 - Step 5: Solve for x
x = 1,450,867,810,396.03/1,375,935.18 - Step 6: Final answer
x = 1,054,459.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.