Finding the Fourth Proportional to 1,186,248.63, 1,779,654.53 and 387,528.90
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Solution
The fourth proportional to 1,186,248.63, 1,779,654.53 and 387,528.90 is: 581,385.34
Step by Step Solution
- Step 1: Write the proportion equation
1,186,248.63 : 1,779,654.53 = 387,528.90 : x - Step 2: Convert to fraction form
1,186,248.63/1,779,654.53 = 387,528.90/x - Step 3: Cross multiply
1,186,248.63x = 1,779,654.53 × 387,528.90 - Step 4: Simplify right side
1,186,248.63x = 689,667,562,390.92 - Step 5: Solve for x
x = 689,667,562,390.92/1,186,248.63 - Step 6: Final answer
x = 581,385.34
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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.