Finding the Fourth Proportional to 1,151,710.48, 1,727,565.57 and 393,558.49
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Solution
The fourth proportional to 1,151,710.48, 1,727,565.57 and 393,558.49 is: 590,337.68
Step by Step Solution
- Step 1: Write the proportion equation
1,151,710.48 : 1,727,565.57 = 393,558.49 : x - Step 2: Convert to fraction form
1,151,710.48/1,727,565.57 = 393,558.49/x - Step 3: Cross multiply
1,151,710.48x = 1,727,565.57 × 393,558.49 - Step 4: Simplify right side
1,151,710.48x = 679,898,097,105.19 - Step 5: Solve for x
x = 679,898,097,105.19/1,151,710.48 - Step 6: Final answer
x = 590,337.68
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1.5x scale
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.