Finding the Fourth Proportional to 1,239,964.64, 1,858,214.70 and 670,117.22
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Solution
The fourth proportional to 1,239,964.64, 1,858,214.70 and 670,117.22 is: 1,004,239.66
Step by Step Solution
- Step 1: Write the proportion equation
1,239,964.64 : 1,858,214.70 = 670,117.22 : x - Step 2: Convert to fraction form
1,239,964.64/1,858,214.70 = 670,117.22/x - Step 3: Cross multiply
1,239,964.64x = 1,858,214.70 × 670,117.22 - Step 4: Simplify right side
1,239,964.64x = 1,245,221,668,927.13 - Step 5: Solve for x
x = 1,245,221,668,927.13/1,239,964.64 - Step 6: Final answer
x = 1,004,239.66
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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.