Finding the Fourth Proportional to 1,112,437.40, 1,669,312.20 and 734,450.90
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Solution
The fourth proportional to 1,112,437.40, 1,669,312.20 and 734,450.90 is: 1,102,109.52
Step by Step Solution
- Step 1: Write the proportion equation
1,112,437.40 : 1,669,312.20 = 734,450.90 : x - Step 2: Convert to fraction form
1,112,437.40/1,669,312.20 = 734,450.90/x - Step 3: Cross multiply
1,112,437.40x = 1,669,312.20 × 734,450.90 - Step 4: Simplify right side
1,112,437.40x = 1,226,027,847,670.98 - Step 5: Solve for x
x = 1,226,027,847,670.98/1,112,437.40 - Step 6: Final answer
x = 1,102,109.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.