Finding the Fourth Proportional to 1,416,285.88, 2,125,056.72 and 742,206.88
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Solution
The fourth proportional to 1,416,285.88, 2,125,056.72 and 742,206.88 is: 1,113,639.37
Step by Step Solution
- Step 1: Write the proportion equation
1,416,285.88 : 2,125,056.72 = 742,206.88 : x - Step 2: Convert to fraction form
1,416,285.88/2,125,056.72 = 742,206.88/x - Step 3: Cross multiply
1,416,285.88x = 2,125,056.72 × 742,206.88 - Step 4: Simplify right side
1,416,285.88x = 1,577,231,717,974.23 - Step 5: Solve for x
x = 1,577,231,717,974.23/1,416,285.88 - Step 6: Final answer
x = 1,113,639.37
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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.