Finding the Fourth Proportional to 1,212,654.74, 1,818,454.05 and 347,898.88
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Solution
The fourth proportional to 1,212,654.74, 1,818,454.05 and 347,898.88 is: 521,696.82
Step by Step Solution
- Step 1: Write the proportion equation
1,212,654.74 : 1,818,454.05 = 347,898.88 : x - Step 2: Convert to fraction form
1,212,654.74/1,818,454.05 = 347,898.88/x - Step 3: Cross multiply
1,212,654.74x = 1,818,454.05 × 347,898.88 - Step 4: Simplify right side
1,212,654.74x = 632,638,118,234.19 - Step 5: Solve for x
x = 632,638,118,234.19/1,212,654.74 - Step 6: Final answer
x = 521,696.82
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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.