Finding the Fourth Proportional to 1,113,136.08, 1,669,774.23 and 314,479.14
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Solution
The fourth proportional to 1,113,136.08, 1,669,774.23 and 314,479.14 is: 471,738.52
Step by Step Solution
- Step 1: Write the proportion equation
1,113,136.08 : 1,669,774.23 = 314,479.14 : x - Step 2: Convert to fraction form
1,113,136.08/1,669,774.23 = 314,479.14/x - Step 3: Cross multiply
1,113,136.08x = 1,669,774.23 × 314,479.14 - Step 4: Simplify right side
1,113,136.08x = 525,109,163,844.56 - Step 5: Solve for x
x = 525,109,163,844.56/1,113,136.08 - Step 6: Final answer
x = 471,738.52
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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.