Finding the Fourth Proportional to 1,102,642.08, 1,521,810.64 and 673,171.18
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Solution
The fourth proportional to 1,102,642.08, 1,521,810.64 and 673,171.18 is: 929,076.70
Step by Step Solution
- Step 1: Write the proportion equation
1,102,642.08 : 1,521,810.64 = 673,171.18 : x - Step 2: Convert to fraction form
1,102,642.08/1,521,810.64 = 673,171.18/x - Step 3: Cross multiply
1,102,642.08x = 1,521,810.64 × 673,171.18 - Step 4: Simplify right side
1,102,642.08x = 1,024,439,064,265.36 - Step 5: Solve for x
x = 1,024,439,064,265.36/1,102,642.08 - Step 6: Final answer
x = 929,076.70
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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.