Finding the Fourth Proportional to 1,039,958.13, 1,559,739.91 and 506,943.09
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Solution
The fourth proportional to 1,039,958.13, 1,559,739.91 and 506,943.09 is: 760,318.46
Step by Step Solution
- Step 1: Write the proportion equation
1,039,958.13 : 1,559,739.91 = 506,943.09 : x - Step 2: Convert to fraction form
1,039,958.13/1,559,739.91 = 506,943.09/x - Step 3: Cross multiply
1,039,958.13x = 1,559,739.91 × 506,943.09 - Step 4: Simplify right side
1,039,958.13x = 790,699,359,238.31 - Step 5: Solve for x
x = 790,699,359,238.31/1,039,958.13 - Step 6: Final answer
x = 760,318.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.