Finding the Fourth Proportional to 1,042,623.03, 1,438,485.19 and 583,670.01
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Solution
The fourth proportional to 1,042,623.03, 1,438,485.19 and 583,670.01 is: 805,277.31
Step by Step Solution
- Step 1: Write the proportion equation
1,042,623.03 : 1,438,485.19 = 583,670.01 : x - Step 2: Convert to fraction form
1,042,623.03/1,438,485.19 = 583,670.01/x - Step 3: Cross multiply
1,042,623.03x = 1,438,485.19 × 583,670.01 - Step 4: Simplify right side
1,042,623.03x = 839,600,665,232.15 - Step 5: Solve for x
x = 839,600,665,232.15/1,042,623.03 - Step 6: Final answer
x = 805,277.31
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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.