Finding the Fourth Proportional to 1,118,831.24, 1,678,771.74 and 557,909.48
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Solution
The fourth proportional to 1,118,831.24, 1,678,771.74 and 557,909.48 is: 837,125.95
Step by Step Solution
- Step 1: Write the proportion equation
1,118,831.24 : 1,678,771.74 = 557,909.48 : x - Step 2: Convert to fraction form
1,118,831.24/1,678,771.74 = 557,909.48/x - Step 3: Cross multiply
1,118,831.24x = 1,678,771.74 × 557,909.48 - Step 4: Simplify right side
1,118,831.24x = 936,602,668,502.10 - Step 5: Solve for x
x = 936,602,668,502.10/1,118,831.24 - Step 6: Final answer
x = 837,125.95
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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.