Finding the Fourth Proportional to 1,382,932.68, 1,908,307.40 and 771,028
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Solution
The fourth proportional to 1,382,932.68, 1,908,307.40 and 771,028 is: 1,063,940.75
Step by Step Solution
- Step 1: Write the proportion equation
1,382,932.68 : 1,908,307.40 = 771,028 : x - Step 2: Convert to fraction form
1,382,932.68/1,908,307.40 = 771,028/x - Step 3: Cross multiply
1,382,932.68x = 1,908,307.40 × 771,028 - Step 4: Simplify right side
1,382,932.68x = 1,471,358,438,007.20 - Step 5: Solve for x
x = 1,471,358,438,007.20/1,382,932.68 - Step 6: Final answer
x = 1,063,940.75
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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.