Finding the Fourth Proportional to 1,106,425.28, 1,658,879.76 and 396,437.60
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Solution
The fourth proportional to 1,106,425.28, 1,658,879.76 and 396,437.60 is: 594,384.75
Step by Step Solution
- Step 1: Write the proportion equation
1,106,425.28 : 1,658,879.76 = 396,437.60 : x - Step 2: Convert to fraction form
1,106,425.28/1,658,879.76 = 396,437.60/x - Step 3: Cross multiply
1,106,425.28x = 1,658,879.76 × 396,437.60 - Step 4: Simplify right side
1,106,425.28x = 657,642,310,742.98 - Step 5: Solve for x
x = 657,642,310,742.98/1,106,425.28 - Step 6: Final answer
x = 594,384.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.