Finding the Fourth Proportional to 1,106,715.70, 1,660,073.55 and 1,012,237.30
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Solution
The fourth proportional to 1,106,715.70, 1,660,073.55 and 1,012,237.30 is: 1,518,355.95
Step by Step Solution
- Step 1: Write the proportion equation
1,106,715.70 : 1,660,073.55 = 1,012,237.30 : x - Step 2: Convert to fraction form
1,106,715.70/1,660,073.55 = 1,012,237.30/x - Step 3: Cross multiply
1,106,715.70x = 1,660,073.55 × 1,012,237.30 - Step 4: Simplify right side
1,106,715.70x = 1,680,388,368,053.42 - Step 5: Solve for x
x = 1,680,388,368,053.42/1,106,715.70 - Step 6: Final answer
x = 1,518,355.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.