Finding the Fourth Proportional to 1,288,661.00, 1,778,248.08 and 744,831.99
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Solution
The fourth proportional to 1,288,661.00, 1,778,248.08 and 744,831.99 is: 1,027,807.98
Step by Step Solution
- Step 1: Write the proportion equation
1,288,661.00 : 1,778,248.08 = 744,831.99 : x - Step 2: Convert to fraction form
1,288,661.00/1,778,248.08 = 744,831.99/x - Step 3: Cross multiply
1,288,661.00x = 1,778,248.08 × 744,831.99 - Step 4: Simplify right side
1,288,661.00x = 1,324,496,056,140.08 - Step 5: Solve for x
x = 1,324,496,056,140.08/1,288,661.00 - Step 6: Final answer
x = 1,027,807.98
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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.