Finding the Fourth Proportional to 1,246,079.97, 1,869,119.95 and 393,238.06
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Solution
The fourth proportional to 1,246,079.97, 1,869,119.95 and 393,238.06 is: 589,857.08
Step by Step Solution
- Step 1: Write the proportion equation
1,246,079.97 : 1,869,119.95 = 393,238.06 : x - Step 2: Convert to fraction form
1,246,079.97/1,869,119.95 = 393,238.06/x - Step 3: Cross multiply
1,246,079.97x = 1,869,119.95 × 393,238.06 - Step 4: Simplify right side
1,246,079.97x = 735,009,094,682.79 - Step 5: Solve for x
x = 735,009,094,682.79/1,246,079.97 - Step 6: Final answer
x = 589,857.08
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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.