Finding the Fourth Proportional to 1,268,719.66, 1,750,671.80 and 724,890.67
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Solution
The fourth proportional to 1,268,719.66, 1,750,671.80 and 724,890.67 is: 1,000,256.95
Step by Step Solution
- Step 1: Write the proportion equation
1,268,719.66 : 1,750,671.80 = 724,890.67 : x - Step 2: Convert to fraction form
1,268,719.66/1,750,671.80 = 724,890.67/x - Step 3: Cross multiply
1,268,719.66x = 1,750,671.80 × 724,890.67 - Step 4: Simplify right side
1,268,719.66x = 1,269,045,648,769.31 - Step 5: Solve for x
x = 1,269,045,648,769.31/1,268,719.66 - Step 6: Final answer
x = 1,000,256.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.