Finding the Fourth Proportional to 1,042,468.26, 1,438,526.72 and 583,477.70
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Solution
The fourth proportional to 1,042,468.26, 1,438,526.72 and 583,477.70 is: 805,154.74
Step by Step Solution
- Step 1: Write the proportion equation
1,042,468.26 : 1,438,526.72 = 583,477.70 : x - Step 2: Convert to fraction form
1,042,468.26/1,438,526.72 = 583,477.70/x - Step 3: Cross multiply
1,042,468.26x = 1,438,526.72 × 583,477.70 - Step 4: Simplify right side
1,042,468.26x = 839,348,261,974.14 - Step 5: Solve for x
x = 839,348,261,974.14/1,042,468.26 - Step 6: Final answer
x = 805,154.74
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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.