Finding the Fourth Proportional to 1,307,040.58, 1,803,504.19 and 816,952.11
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Solution
The fourth proportional to 1,307,040.58, 1,803,504.19 and 816,952.11 is: 1,127,261.52
Step by Step Solution
- Step 1: Write the proportion equation
1,307,040.58 : 1,803,504.19 = 816,952.11 : x - Step 2: Convert to fraction form
1,307,040.58/1,803,504.19 = 816,952.11/x - Step 3: Cross multiply
1,307,040.58x = 1,803,504.19 × 816,952.11 - Step 4: Simplify right side
1,307,040.58x = 1,473,376,553,414.34 - Step 5: Solve for x
x = 1,473,376,553,414.34/1,307,040.58 - Step 6: Final answer
x = 1,127,261.52
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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.