Finding the Fourth Proportional to 1,239,247.84, 1,711,252.56 and 774,897.52
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Solution
The fourth proportional to 1,239,247.84, 1,711,252.56 and 774,897.52 is: 1,070,040.49
Step by Step Solution
- Step 1: Write the proportion equation
1,239,247.84 : 1,711,252.56 = 774,897.52 : x - Step 2: Convert to fraction form
1,239,247.84/1,711,252.56 = 774,897.52/x - Step 3: Cross multiply
1,239,247.84x = 1,711,252.56 × 774,897.52 - Step 4: Simplify right side
1,239,247.84x = 1,326,045,364,837.65 - Step 5: Solve for x
x = 1,326,045,364,837.65/1,239,247.84 - Step 6: Final answer
x = 1,070,040.49
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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.