Finding the Fourth Proportional to 1,129,515.20, 1,694,293.05 and 410,367.63
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Solution
The fourth proportional to 1,129,515.20, 1,694,293.05 and 410,367.63 is: 615,558.81
Step by Step Solution
- Step 1: Write the proportion equation
1,129,515.20 : 1,694,293.05 = 410,367.63 : x - Step 2: Convert to fraction form
1,129,515.20/1,694,293.05 = 410,367.63/x - Step 3: Cross multiply
1,129,515.20x = 1,694,293.05 × 410,367.63 - Step 4: Simplify right side
1,129,515.20x = 695,283,029,038.13 - Step 5: Solve for x
x = 695,283,029,038.13/1,129,515.20 - Step 6: Final answer
x = 615,558.81
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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.