Finding the Fourth Proportional to 1,178,363.58, 1,626,160.71 and 669,079.74
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Solution
The fourth proportional to 1,178,363.58, 1,626,160.71 and 669,079.74 is: 923,340.81
Step by Step Solution
- Step 1: Write the proportion equation
1,178,363.58 : 1,626,160.71 = 669,079.74 : x - Step 2: Convert to fraction form
1,178,363.58/1,626,160.71 = 669,079.74/x - Step 3: Cross multiply
1,178,363.58x = 1,626,160.71 × 669,079.74 - Step 4: Simplify right side
1,178,363.58x = 1,088,031,185,045.02 - Step 5: Solve for x
x = 1,088,031,185,045.02/1,178,363.58 - Step 6: Final answer
x = 923,340.81
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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.