Finding the Fourth Proportional to 1,246,772.61, 1,720,554.08 and 673,811.42
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Solution
The fourth proportional to 1,246,772.61, 1,720,554.08 and 673,811.42 is: 929,864.01
Step by Step Solution
- Step 1: Write the proportion equation
1,246,772.61 : 1,720,554.08 = 673,811.42 : x - Step 2: Convert to fraction form
1,246,772.61/1,720,554.08 = 673,811.42/x - Step 3: Cross multiply
1,246,772.61x = 1,720,554.08 × 673,811.42 - Step 4: Simplify right side
1,246,772.61x = 1,159,328,975,859.77 - Step 5: Solve for x
x = 1,159,328,975,859.77/1,246,772.61 - Step 6: Final answer
x = 929,864.01
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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.